Self-hosting is the practice of hosting and managing applications on your own server(s) instead of consuming from [SaaSS](https://www.gnu.org/philosophy/who-does-that-server-really-serve.html) providers.
This is a list of [Free](https://en.wikipedia.org/wiki/Free_software) Software [network services](https://en.wikipedia.org/wiki/Network_service) and [web applications](https://en.wikipedia.org/wiki/Web_application) which can be hosted on your own server(s). Non-Free software is listed on the [Non-Free](non-free.md) page.
- [Document Management - Institutional Repository and Digital Library Software](#document-management---institutional-repository-and-digital-library-software)
- [Document Management - Integrated Library Systems (ILS)](#document-management---integrated-library-systems-ils)
[Analytics](https://en.wikipedia.org/wiki/Analytics) is the systematic computational analysis of data or statistics. It is used for the discovery, interpretation, and communication of meaningful patterns in data.
- [Ackee](https://ackee.electerious.com) - Self-hosted analytics tool for those who care about privacy. ([Demo](http://demo.ackee.electerious.com), [Source Code](https://github.com/electerious/Ackee)) `MIT``Nodejs`
- [AWStats](http://www.awstats.org/) - Generate statistics from web, streaming, ftp or mail server logfiles. ([Source Code](https://github.com/eldy/awstats)) `GPL-3.0``Perl`
- [Countly Community Edition](https://count.ly) - Real time mobile and web analytics, crash reporting and push notifications platform. ([Source Code](https://github.com/countly)) `AGPL-3.0``Nodejs`
- [EDA](https://eda.jortilles.com/en/jortilles-english/) - Web application for data analysis and visualization. ([Source Code](https://github.com/jortilles/EDA)) `Apache-2.0``Nodejs`
- [GoAccess](http://goaccess.io/) - Real-time web log analyzer and interactive viewer that runs in a terminal. ([Source Code](https://github.com/allinurl/goaccess)) `GPL-2.0``C`
- [GoatCounter](https://www.goatcounter.com) - Easy web statistics without tracking of personal data. ([Source Code](https://github.com/zgoat/goatcounter)) `EUPL-1.2``Go`
- [Matomo](https://matomo.org/) - Google Analytics alternative that protects your data and your customers' privacy. ([Source Code](https://github.com/matomo-org/matomo)) `GPL-3.0``PHP`
- [Metabase](https://metabase.com/) - Easy, open-source way for everyone in your company to ask questions and learn from data. ([Source Code](https://github.com/metabase/metabase)) `AGPL-3.0``Java`
- [Offen](https://www.offen.dev/) - Fair, lightweight and open web analytics tool. Gain insights while your users have full access to their data. ([Demo](https://www.offen.dev/try-demo/), [Source Code](https://github.com/offen/offen)) `Apache-2.0``Go/Docker`
- [Open Web Analytics](http://www.openwebanalytics.com/) - Web analytics framework that lets you stay in control of how you instrument and analyze the use of your websites and applications. ([Source Code](https://github.com/padams/Open-Web-Analytics)) `GPL-2.0``PHP`
- [PostHog](https://posthog.com) - Product analytics, session recording, feature flagging and a/b testing that you can self-host. Alternative to Mixpanel/Amplitude/Heap/HotJar/Optimizely. ([Source Code](https://github.com/posthog/posthog)) `MIT``Python`
- [Redash](http://redash.io) - Connect and query your data sources, build dashboards to visualize data and share them with your company. ([Source Code](https://github.com/getredash/redash)) `BSD-2-Clause``Docker`
- [RudderStack](https://rudderstack.com/) - Collect, unify, transform, and store your customer data, and route it to a wide range of common, popular marketing, sales, and product tools. alternative to Segment. ([Source Code](https://github.com/rudderlabs/rudder-server/)) `AGPL-3.0``Docker/K8S/Go/Nodejs`
- [Shynet](https://github.com/milesmcc/shynet) - Modern, privacy-friendly, and detailed web analytics that works without cookies or JS. `Apache-2.0``Python`
- [Socioboard](https://github.com/socioboard/Socioboard-4.0) `⚠` - Social media management, analytics, and reporting platform supporting nine social media networks out-of-the-box. `GPL-3.0``Nodejs`
- [Superset](http://superset.apache.org/) - Modern data exploration and visualization platform. ([Source Code](https://github.com/apache/superset)) `Apache-2.0``Python`
- [Umami](https://umami.is/) - Simple, fast, privacy-focused alternative to Google Analytics. ([Demo](https://app.umami.is/share/8rmHaheU/umami.is), [Source Code](https://github.com/umami-software/umami)) `MIT``Nodejs`
- [Access to Memory (AtoM)](https://www.accesstomemory.org/) - Web-based, open source application for standards-based archival description and access in a multilingual, multi-repository environment. ([Demo](https://demo.accesstomemory.org/), [Source Code](https://github.com/artefactual/atom)) `AGPL-3.0``PHP`
- [ArchiveBox](https://archivebox.io/) - Self-hosted _wayback machine_ that creates HTML & screenshot archives of sites from your bookmarks, browsing history, RSS feeds, or other sources. ([Source Code](https://github.com/ArchiveBox/ArchiveBox)) `MIT``Python`
- [Archivematica](https://www.archivematica.org/en/) - Mature digital preservation system designed to maintain standards-based, long-term access to collections of digital objects. ([Demo](https://sandbox.archivematica.org/administration/accounts/login/), [Source Code](https://github.com/artefactual/archivematica)) `AGPL-3.0``Python`
- [ArchivesSpace](https://archivesspace.org/) - Archives information management application for managing and providing Web access to archives, manuscripts and digital objects. ([Demo](https://archivesspace.org/application/demo), [Source Code](https://github.com/archivesspace/archivesspace)) `ECL-2.0``Ruby`
- [Collective Access - Providence](https://collectiveaccess.org/) - Highly configurable Web-based framework for management, description, and discovery of digital and physical collections supporting a variety of metadata standards, data types, and media formats. ([Source Code](https://github.com/collectiveaccess/providence)) `GPL-3.0-only``PHP`
- [Ganymede](https://github.com/Zibbp/ganymede) `⚠` - Twitch VOD and Live Stream archiving platform. Includes a rendered chat for each archive. `GPL-3.0``Docker`
- [LiveStreamDVR](https://github.com/MrBrax/LiveStreamDVR) `⚠` - An automatic Twitch recorder capable of capturing live streams, chat messages and stream metadata. `MIT``Python/Nodejs`
- [Omeka S](https://omeka.org/s/) - Omeka S is a web publication system for universities, galleries, libraries, archives, and museums. It consists of a local network of independently curated exhibits sharing a collaboratively built pool of items, media, and their metadata. ([Source Code](https://github.com/omeka/omeka-s)) `GPL-3.0``Nodejs`
- [Wayback](https://github.com/wabarc/wayback) - A self-hosted toolkit for archiving webpages to the Internet Archive, archive.today, IPFS, and local file systems. `GPL-3.0``Go`
- [Webarchive](https://github.com/derfenix/webarchive) - Lightweight self-hosted _wayback machine_ that creates HTML and PDF files from your bookmarks. `BSD-3-Clause``Go`
- [Accelerated Text](https://github.com/accelerated-text/accelerated-text) - Automatically generate multiple natural language descriptions of your data varying in wording and structure. ([Source Code](https://github.com/accelerated-text/accelerated-text)) `Apache-2.0``Java`
- [Actionsflow](https://actionsflow.github.io/docs/) `⚠` - The free Zapier/IFTTT alternative for developers to automate your workflows based on Github actions. ([Source Code](https://github.com/actionsflow/actionsflow)) `MIT``Docker/Nodejs`
- [Activepieces](https://www.activepieces.com) - No-code business automation tool like Zapier or Tray. For example, you can send a Slack notification for each new Trello card. ([Demo](https://demo.activepieces.com), [Source Code](https://www.github.com/activepieces/activepieces)) `MIT``Typescript`
- [ActiveWorkflow](https://github.com/automaticmode/active_workflow) - An intelligent process and workflow automation platform based on software agents. `MIT``Ruby`
- [AmIUnique](https://amiunique.org/) - Learn how identifiable you are on the Internet (browser fingerprinting tool). ([Source Code](https://github.com/DIVERSIFY-project/amiunique)) `MIT``Java`
- [Automatisch](https://automatisch.io) - Business automation tool that lets you connect different services like Twitter, Slack, and more to automate your business processes (Open source Zapier alternative). ([Source Code](https://github.com/automatisch/automatisch)) `AGPL-3.0``Docker`
- [betanin](https://github.com/sentriz/betanin) - Music organization man-in-the-middle of your torrent client and music player. Based on beets.io, similar to Sonarr and Radarr. `GPL-3.0``Python`
- [ChiefOnboarding](https://chiefonboarding.com) - Employee onboarding platform that allows you to provision user accounts and create sequences with todo items, resources, text/email/Slack messages, and more! Available as a web portal and Slack bot. ([Source Code](https://github.com/chiefonboarding/ChiefOnboarding)) `AGPL-3.0``Python`
- [Eonza](https://www.eonza.org) - Eonza is used to create scripts and automate tasks on servers or VPS hosting. Manage your servers from any browser on any device. ([Demo](https://playground.eonza.org/), [Source Code](https://github.com/gentee/eonza)) `MIT``Go`
- [Exadel CompreFace](https://exadel.com/solutions/compreface/) - Face recognition system that provides REST API for face recognition, face detection, and other face services, and is easily deployed with docker. There are SDKs for Python and JavaScript languages. Can be used without prior machine learning skills. ([Source Code](https://github.com/exadel-inc/CompreFace)) `Apache-2.0``Docker/Java/Nodejs`
- [feed2toot](https://feed2toot.readthedocs.io/en/latest/) - Feed2toot parses a RSS feed, extracts the last entries and sends them to Mastodon. ([Source Code](https://gitlab.com/chaica/feed2toot)) `GPL-3.0``Python`
- [feedmixer](https://github.com/cristoper/feedmixer) - FeedMixer is a WSGI (Python3) micro web service which takes a list of feed URLs and returns a new feed consisting of the most recent n entries from each given feed(Returns Atom, RSS, or JSON). ([Demo](https://mretc.net/feedmixer/json?f=https://hnrss.org/newest&f=https://americancynic.net/atom.xml&n=1)) `WTFPL``Python`
- [Headphones](https://github.com/rembo10/headphones) - Automated music downloader for NZB and Torrent, written in Python. It supports SABnzbd, NZBget, Transmission, µTorrent, Deluge and Blackhole. `GPL-3.0``Python`
- [Healthchecks](https://healthchecks.io/) - Django app which listens for pings and sends alerts when pings are late. ([Source Code](https://github.com/healthchecks/healthchecks)) `BSD-3-Clause``Python`
- [homebank-converter](https://github.com/Binnette/homebank-converter) - Web app to convert an export bank file to compatible Homebank csv. ([Demo](https://binnette.github.io/homebank-converter/)) `AGPL-3.0``HTML5`
- [HRConvert2](https://github.com/zelon88/HRConvert2) - Drag-and-drop file conversion server with session based authentication, automatic temporary file maintenance, and logging capability. `GPL-3.0``PHP`
- [Kibitzr](https://kibitzr.github.io) - Lightweight personal web assistant with powerful integrations. ([Source Code](https://github.com/kibitzr/kibitzr)) `MIT``Python`
- [LazyLibrarian](https://gitlab.com/LazyLibrarian/LazyLibrarian) `⚠` - LazyLibrarian is a program to follow authors and grab metadata for all your digital reading needs. It uses a combination of Goodreads Librarything and optionally GoogleBooks as sources for author info and book info. `GPL-3.0``Python`
- [Leon](https://getleon.ai) - Open-source personal assistant who can live on your server. ([Source Code](https://github.com/leon-ai/leon)) `MIT``Nodejs`
- [Lidarr](https://lidarr.audio/) - Lidarr is a music collection manager for Usenet and BitTorrent users. ([Source Code](https://github.com/Lidarr/Lidarr)) `GPL-3.0``C#`
- [Matchering](https://github.com/sergree/matchering) - A containerized web app for automated music mastering. An open-source alternative to LANDR, eMastered, and MajorDecibel. `GPL-3.0``Docker`
- [Medusa](https://pymedusa.com/) - Automatic Video Library Manager for TV Shows. It watches for new episodes of your favorite shows, and when they are posted it does its magic. ([Source Code](https://github.com/pymedusa/Medusa)) `GPL-3.0``Python`
- [MetaTube](https://github.com/JVT038/MetaTube) `⚠` - A Web GUI to automatically download music from YouTube add metadata from Spotify, Deezer or Musicbrainz. `GPL-3.0``Python`
- [MeTube](https://github.com/alexta69/metube) - Web GUI for youtube-dl, with playlist support. Allows downloading videos from dozens of websites. `AGPL-3.0``Python/Nodejs/Docker`
- [Podgrab](https://github.com/akhilrex/podgrab) - Lightweight podcast manager and automatic podcast episode downloader. It will monitor podcasts for your and download them automatically whenever a new episode goes live. `GPL-3.0``Docker/Go`
- [pyLoad](https://pyload.net/) - Lightweight, customizable and remotely manageable downloader for 1-click-hosting sites like rapidshare.com or uploaded.to. ([Source Code](https://github.com/pyload/pyload)) `GPL-3.0``Python`
- [Radarr](https://radarr.video/) - Radarr is an independent fork of Sonarr reworked for automatically downloading movies via Usenet and BitTorrent, à la Couchpotato. ([Source Code](https://github.com/Radarr/Radarr)) `GPL-3.0``C#`
- [SickChill](https://sickchill.github.io/) - SickChill is an automatic video library manager for TV shows. It watches for new episodes of your favorite shows, and when they are posted it does its magic. ([Source Code](https://github.com/SickChill/SickChill)) `GPL-3.0``Python`
- [Sonarr](https://sonarr.tv/) - Automatic TV Shows downloader and manager for Usenet and BitTorrent. It can grab, sort and rename new episodes and automatically upgrade the quality of files already downloaded when a better quality format becomes available. ([Source Code](https://github.com/Sonarr/Sonarr)) `GPL-3.0``C#`
- [StackStorm](https://stackstorm.com) - StackStorm (aka _IFTTT for Ops_) is event-driven automation for auto-remediation, security responses, troubleshooting, deployments, and more. Includes rules engine, workflow, 160 integration packs with 6000+ actions and ChatOps. ([Source Code](https://github.com/StackStorm/st2)) `Apache-2.0``Python`
- [Tube Archivist](https://www.tubearchivist.com/) `⚠` - Your self hosted YouTube media server: Subscribe, download, index, search and play your favorite videos. ([Source Code](https://github.com/tubearchivist/tubearchivist)) `GPL-3.0``Python`
- [WebUI-aria2](https://github.com/ziahamza/webui-aria2) - Interface to interact with the aria2 downloader. Very simple to use, just download and open index.html in any web browser. ([Demo](https://ziahamza.github.io/webui-aria2/)) `MIT``HTML5`
- [YoutubeDL-Material](https://github.com/Tzahi12345/YoutubeDL-Material) - Material Design inspired YouTube downloader, based on youtube-dl. Supports playlists, quality select, search, dark mode and much more, all with a clean and modern design. `MIT``Nodejs`
- [Antville](https://antville.org) - Free, open source project aimed at the development of a high performance, feature rich weblog hosting software. ([Source Code](https://github.com/antville/antville)) `Apache-2.0``Javascript`
- [Castopod](https://castopod.org) - A podcast management hosting platform that includes the latest podcast 2.0 standards, an automated Fediverse feed, analytics, an embeddable player, and more. ([Source Code](https://code.castopod.org/adaures/castopod)) `AGPL-3.0``PHP`
- [Haven](https://havenweb.org/) - Private blogging system with markdown editing and built in RSS reader. ([Demo](https://havenweb.org/demo.html), [Source Code](https://github.com/havenweb/haven)) `MIT``Ruby`
- [Serendipity](https://docs.s9y.org/) - Serendipity (s9y) is a highly extensible and customizable PHP blog engine using Smarty templating. ([Source Code](https://github.com/s9y/serendipity)) `BSD-3-Clause``PHP`
- [WriteFreely](https://writefreely.org) - Writing software for starting a minimalist, federated blog — or an entire community. ([Source Code](https://github.com/writefreely/writefreely)) `AGPL-3.0``Go`
- [Easy!Appointments](https://easyappointments.org/) - A highly customizable web application that allows your customers to book appointments with you via the web. ([Demo](https://easyappointments.org/demo/), [Source Code](https://github.com/alextselegidis/easyappointments)) `GPL-3.0``PHP`
- [QloApps](https://qloapps.com/) - An open-source, customizable and intuitive web-based hotel reservation system and a booking engine. ([Demo](https://demo.qloapps.com/), [Source Code](https://github.com/webkul/hotelcommerce)) `OSL-3.0``PHP`
- [Seatsurfing](https://seatsurfing.app/) - Webbased app to book seats, desks and rooms for offices. ([Demo](https://seatsurfing.app/get-started/), [Source Code](https://github.com/seatsurfing/backend)) `GPL-3.0``Docker`
- [Briefkasten](https://github.com/ndom91/briefkasten) - Modern app for saving and managing your own bookmarks. Includes a browser extension. ([Demo](https://briefkastenhq.com/auth/signin)) `MIT``Nodejs`
- [Firefox Account Server](https://mozilla-services.readthedocs.io/en/latest/howtos/run-fxa.html) - This allows you to host your own Firefox accounts server. ([Source Code](https://github.com/mozilla/fxa)) `MPL-2.0``Nodejs, Java`
- [golinks](https://git.mills.io/prologic/golinks) - Web application that allows you to create smart bookmarks, commands and aliases by pointing your web browser's default search engine at a running instance. Similar to bunny1 or yubnub. ([Demo](https://search.mills.io)) `MIT``Go`
- [LinkAce](https://www.linkace.org/) - A bookmark archive with automatic backups to the Internet Archive, link monitoring, and a full REST API. Installation is done via Docker, or as a simple PHP application. ([Demo](https://demo.linkace.org/guest/links), [Source Code](https://github.com/Kovah/LinkAce/)) `GPL-3.0``PHP`
- [linkding](https://github.com/sissbruecker/linkding) - Minimal bookmark management with a fast and clean UI. Simple installation through Docker and can run on your Raspberry Pi. `MIT``Docker/Python/Nodejs`
- [LinkWarden](https://github.com/Daniel31x13/link-warden) - A self-hosted bookmark + archive manager to store your useful links. ([Demo](https://linkwarden.netlify.app/)) `MIT``Docker/Nodejs`
- [NeonLink](https://github.com/AlexSciFier/neonlink) - Self-hosted bookmark service with unique design and simple installation with Docker. `MIT``Docker`
- [Pinry](https://docs.getpinry.com/) - The tiling image board system for people who want to save, tag, and share images, videos, and webpages. ([Demo](https://pin.37soloist.com/), [Source Code](https://github.com/pinry/pinry)) `BSD-2-Clause``Python`
- [xBrowserSync](https://www.xbrowsersync.org) - Open source tool for syncing browser data between browsers and devices. ([Source Code](https://github.com/xBrowserSync)) `MIT``Nodejs`
[CalDAV](https://en.wikipedia.org/wiki/CalDAV) and [CardDAV](https://en.wikipedia.org/wiki/CardDAV) protocol servers [Electronic calendar](https://en.wikipedia.org/wiki/Calendaring_software) and [address book](https://en.wikipedia.org/wiki/Address_book) and [contact management](https://en.wikipedia.org/wiki/Contact_manager).
_See also: [Comparison of CalDAV and CardDAV implementations - Wikipedia](https://en.wikipedia.org/wiki/Comparison_of_CalDAV_and_CardDAV_implementations)_
- [Baïkal](https://sabre.io/baikal/) - Lightweight CalDAV and CardDAV server based on sabre/dav. ([Source Code](https://github.com/sabre-io/Baikal)) `GPL-3.0``PHP`
- [DAViCal](https://www.davical.org/) - Server for calendar sharing (CalDAV) that uses a PostgreSQL database as a data store. ([Source Code](https://gitlab.com/davical-project/davical)) `GPL-2.0``PHP`
- [Davis](https://github.com/tchapi/davis) - A simple, dockerizable and fully translatable admin interface for sabre/dav based on Symfony 5 and Bootstrap 4, largely inspired by Baïkal. `MIT``PHP`
- [Etebase (EteSync)](https://www.etebase.com/) - End-to-end encrypted and journaled personal information server supporting calendar and contact data, offering its own clients. ([Source Code](https://github.com/etesync/server)) `AGPL-3.0``Python/Django`
- [Radicale](https://radicale.org/) - Simple calendar and contact server with extremely low administrative overhead. ([Source Code](https://github.com/Kozea/Radicale)) `GPL-3.0``Python`
- [SabreDAV](https://sabre.io/) - Open source CardDAV, CalDAV, and WebDAV framework and server. ([Source Code](https://github.com/sabre-io/dav)) `MIT``PHP`
- [Xandikos](https://github.com/jelmer/xandikos) - Open source CardDAV and CalDAV server with minimal administrative overhead, backed by a Git repository. `GPL-3.0``Python`
- [AgenDAV](https://agendav.github.io/agendav/) - Multilanguage CalDAV web client with a rich AJAX interface and shared calendars support. ([Source Code](https://github.com/agendav/agendav)) `GPL-3.0``PHP`
[Communication software](https://en.wikipedia.org/wiki/Communication_software) used to provide remote access to systems and exchange files and messages in text, audio and/or video formats between different computers or users, using their own custom protocols.
- [Apprise](https://github.com/caronc/apprise) - Apprise allows you to send a notification to almost all of the most popular notification services available to us today such as: Telegram, Discord, Slack, Amazon SNS, Gotify, etc. `MIT``Python/Docker`
- [BluetoothCommunicatorExample](https://github.com/niedev/BluetoothCommunicatorExample) - Bluetooth LE chat app to communicate between android devices with P2P architecture. ([Clients](https://github.com/niedev/RTranslator)) `Apache-2.0``Java`
- [Chatwoot](https://www.chatwoot.com) - Self-hosted customer communication platform, an alternative to Intercom & Zendesk. ([Source Code](https://github.com/chatwoot/chatwoot)) `MIT``Ruby`
- [Chitchatter](https://chitchatter.im/) - A peer-to-peer chat app that is serverless, decentralized, and ephemeral. ([Source Code](https://github.com/jeremyckahn/chitchatter)) `GPL-2.0``Nodejs`
- [Conduit](https://conduit.rs/) - A simple, fast, and reliable chat server powered by Matrix. ([Source Code](https://gitlab.com/famedly/conduit)) `Apache-2.0``Rust`
- [Databag](https://github.com/balzack/databag) - Federated, end-to-end encrypted messaging service for the web, iOS, and Android, supporting text, photos, video, and WebRTC video and audio calls. ([Demo](https://databag.coredb.org/#/create)) `Apache-2.0``Docker`
- [Dendrite](https://matrix.org/docs/projects/server/dendrite) - Second-generation Matrix homeserver written in Go. It intends to provide an efficient, reliable and scalable alternative to Synapse. ([Source Code](https://github.com/matrix-org/dendrite)) `Apache-2.0``Go`
- [Freenet](https://freenetproject.org/index.html) - Anonymously share files, browse and publish _freesites_ (web sites accessible only through Freenet) and chat on forums. ([Source Code](https://github.com/freenet/fred)) `GPL-2.0``Java`
- [Gotify](https://gotify.net/) - Self-hosted notification server with Android and CLI clients, similar to PushBullet. ([Source Code](https://github.com/gotify/server), [Clients](https://github.com/gotify/android)) `MIT``Go`
- [Hawkpost](https://hawkpost.co) - HawkPost is a web app that lets you create unique links that you can share with a person that desires to send you important information but doesn't know how to encrypt it. The message is encrypted in their browser and sent to your email address. ([Source Code](https://github.com/whitesmith/hawkpost)) `MIT``Python`
- [Jam](https://jamshelf.com/) - Jam is an open source alternative to Clubhouse: private audio chat rooms to talk to friends and family. ([Demo](https://jam.systems/), [Source Code](https://github.com/jam-systems/jam)) `AGPL-3.0``Docker/Nodejs`
- [Jami](https://jami.net/) - Free and universal communication platform which preserves the user's privacy and freedoms (formerly GNU Ring). ([Source Code](https://git.jami.net/savoirfairelinux/jami-project)) `GPL-3.0``C++`
- [Live Helper Chat](https://livehelperchat.com/) - Live Support chat for your website. ([Source Code](https://github.com/LiveHelperChat/livehelperchat)) `Apache-2.0``PHP`
- [Mattermost](https://mattermost.org/) - Open-source, on-prem Slack-alternative. It can be integrated with Gitlab. ([Source Code](https://github.com/mattermost/mattermost-server)) `AGPL-3.0/Apache-2.0``Go`
- [Mibew](https://mibew.org) - Mibew Messenger is an open-source live support application written in PHP and MySQL. It enables one-on-one chat assistance in real-time directly from your website. ([Demo](https://mibew.org/demo2), [Source Code](https://github.com/Mibew/mibew)) `Apache-2.0``PHP`
- [Notifo](https://github.com/notifo-io/notifo) - Multichannel notification server with support for Email, Mobile Push, Web Push, SMS, messaging and a javascript plugin. `MIT``C#`
- [ntfy](https://ntfy.sh/) - Push notifications to phone or desktop using HTTP PUT/POST, with Android app, CLI and web app, similar to Pushover and Gotify. ([Demo](https://ntfy.sh/app), [Source Code](https://github.com/binwiederhier/ntfy), [Clients](https://github.com/binwiederhier/ntfy-android)) `Apache-2.0/GPL-2.0``Go`
- [OTS](https://ots.fyi/) - One-Time-Secret sharing platform with a symmetric 256bit AES encryption in the browser. ([Source Code](https://github.com/Luzifer/ots)) `Apache-2.0``Go`
- [Papercups](https://papercups.io/) - An open source live customer chat web app written in Elixir. ([Demo](https://app.papercups.io/demo), [Source Code](https://github.com/papercups-io/papercups)) `MIT``Elixir`
- [PushBits](https://github.com/pushbits/server) - Self-hosted notification server for relaying push notifications via Matrix, similar to PushBullet and Gotify. `ISC``Go`
- [Rallly](https://rallly.co) - Rallly is an open-source alternative to Doodle that lets you create polls to vote on dates and times. ([Source Code](https://github.com/lukevella/Rallly)) `AGPL-3.0``Nodejs`
- [Revolt](https://revolt.chat/) - Revolt is a user-first chat platform built with modern web technologies. ([Source Code](https://github.com/revoltchat/revolt)) `AGPL-3.0``Rust`
- [Rocket.Chat](https://rocket.chat/) - Teamchat solution similar to Gitter.im or Slack. ([Source Code](https://github.com/RocketChat/Rocket.Chat)) `MIT``Nodejs`
- [Shhh](https://github.com/smallwat3r/shhh) - Keep secrets out of emails or chat logs, share them using secure links with passphrase and expiration dates. `MIT``Python`
- [SimpleX Chat](https://github.com/simplex-chat/simplex-chat) - The most private and secure chat and applications platform - now with double ratchet E2E encryption. `AGPL-3.0``Haskell`
- [Spectrum 2](https://spectrum.im/) - Spectrum 2 is an open source instant messaging transport. It allows users to chat together even when they are using different IM networks. ([Source Code](https://github.com/SpectrumIM/spectrum2)) `GPL-3.0``C++`
- [StoneAge Messenger](https://cweb.gitlab.io/StoneAge.html) - A self-hosted Android messenger, S3-compatible storage is the only backend needed. ([Source Code](https://gitlab.com/cweb-repos/cweb-conversations), [Clients](https://f-droid.org/en/packages/com.cweb.messenger/)) `GPL-3.0``Java`
- [Synapse](https://matrix.org/docs/projects/server/synapse) - Server for [Matrix](https://matrix.org/), an open standard for decentralized persistent communication. ([Source Code](https://github.com/matrix-org/synapse)) `Apache-2.0``Python`
- [TextBelt](https://github.com/typpo/textbelt) `⚠` - Outgoing SMS API that uses carrier-specific gateways to deliver your text messages for free, and without ads. `MIT``Javascript`
- [Tiledesk](https://tiledesk.com) - All-in-one customer engagement platform from lead-gen to post-sales, from WhatsApp to your website. With omni-channel live agents and AI-powered chatbots. Self hosted alternative to Intercom, Zendesk, Tawk.to and Tidio. ([Source Code](https://github.com/Tiledesk/tiledesk)) `MIT``Docker/K8S`
- [Tox](https://tox.chat/) - Distributed, secure messenger with audio and video chat capabilities. ([Source Code](https://github.com/TokTok/c-toxcore)) `GPL-3.0``C`
- [Typebot](https://typebot.io) - Typebot is a conversational app builder as an alternative to Typeform or Landbot. ([Source Code](https://github.com/baptisteArno/typebot.io)) `AGPL-3.0``Docker`
- [WBO](https://github.com/lovasoa/whitebophir) - Web Whiteboard to collaborate in real-time on schemas, drawings, and notes. ([Demo](https://wbo.ophir.dev/)) `AGPL-3.0``Nodejs/Docker`
- [Zulip](https://zulip.org) - Zulip is a powerful, open source group chat application. ([Source Code](https://github.com/zulip/zulip)) `Apache-2.0``Python`
- [AnonAddy](https://anonaddy.com) - Open source email forwarding service for creating aliases. ([Source Code](https://github.com/anonaddy/anonaddy)) `MIT``PHP`
- [DebOps](https://docs.debops.org/) - Your Debian-based data center in a box. A set of general-purpose Ansible roles that can be used to manage Debian or Ubuntu hosts. ([Source Code](https://github.com/debops/debops)) `GPL-3.0-only``YAML/Ansible/Python`
- [docker-mailserver](https://docker-mailserver.github.io/docker-mailserver/edge/) - Production-ready fullstack but simple mail server (SMTP, IMAP, LDAP, Antispam, Antivirus, etc.) running inside a container. Only configuration files, no SQL database. ([Source Code](https://github.com/docker-mailserver/docker-mailserver)) `MIT` `Docker`
- [emailwiz](https://github.com/LukeSmithxyz/emailwiz) - Luke Smith's bash script to completely automate the setup of a Postfix/Dovecot/SpamAssassin/OpenDKIM server on debian. `GPL-3.0``Bash`
- [Excision Mail](https://github.com/Excision-Mail/Excision-Mail) - Fullstack, security focused mailserver based on OpenSMTPD for OpenBSD using ansible. `ISC``Shell/Ansible`
- [homebox](https://github.com/progmaticltd/homebox) - Suite of Ansible scripts to deploy a fully functional mail server on Debian. Unobtrusive and automatic as much as possible, focusing on stability and security. `GPL-3.0``Shell`
- [Inboxen](https://inboxen.org) - Inboxen is a service that provides you with an infinite number of unique inboxes. ([Source Code](https://github.com/Inboxen/Inboxen)) `GPL-3.0``Python`
- [iRedMail](https://www.iredmail.org/) - Full-featured mail server solution based on Postfix and Dovecot. ([Source Code](https://github.com/iredmail/iRedMail)) `GPL-3.0``Shell`
- [Maddy Mail Server](https://github.com/foxcpp/maddy) - All-in-one mail server that implements SMTP (both MTA and MX) and IMAP. Replaces Postfix, Dovecot, OpenDKIM, OpenSPF, OpenDMARC with single daemon. `GPL-3.0``Go`
- [Mail-in-a-Box](https://mailinabox.email/) - Turns any Ubuntu server into a fully functional mail server with one command. ([Source Code](https://github.com/mail-in-a-box/mailinabox)) `CC0-1.0``Shell`
- [Mailcow](https://mailcow.email/) - Mail server suite based on Dovecot, Postfix and other open source software, that provides a modern Web UI for administration. ([Source Code](https://github.com/mailcow/mailcow-dockerized)) `GPL-2.0``Docker/PHP`
- [Mailu](https://mailu.io/) - Mailu is a simple yet full-featured mail server as a set of Docker images. ([Source Code](https://github.com/Mailu/Mailu)) `MIT``Docker/Python`
- [Modoboa](https://modoboa.org/en/) - Modoboa is a mail hosting and management platform including a modern and simplified Web User Interface. ([Source Code](https://github.com/modoboa/modoboa)) `ISC``Python`
- [Postal](https://docs.postalserver.io/) - A complete and fully featured mail server for use by websites & web servers. ([Source Code](https://github.com/postalserver/postal)) `MIT``Docker/Ruby`
- [SimpleLogin](https://simplelogin.io) - Open source email alias solution to protect your email address. Comes with browser extensions and mobile apps. ([Source Code](https://github.com/simple-login/app)) `MIT``Docker/Python`
- [Dovecot](https://www.dovecot.org/) - IMAP and POP3 server written primarily with security in mind. ([Source Code](https://github.com/dovecot/core)) `MIT/LGPL-2.1``C`
- [MailForm](https://github.com/Feuerhamster/mailform) - Lightweight self-hosted open source alternative to Formspree and SendGrid. `Apache-2.0``Nodejs`
- [Stalwart JMAP](https://stalw.art/jmap) - JMAP and IMAP server designed to be secure, fast, robust and scalable. ([Source Code](https://github.com/stalwartlabs/jmap-server)) `AGPL-3.0``Rust`
- [chasquid](https://blitiri.com.ar/p/chasquid/) - SMTP (email) server with a focus on simplicity, security, and ease of operation. ([Source Code](https://blitiri.com.ar/git/r/chasquid/)) `Apache-2.0``Go`
- [EmailRelay](https://emailrelay.sourceforge.net/) - A small and easy to configure SMTP and POP3 server for Windows and Linux. ([Source Code](https://sourceforge.net/p/emailrelay/code/HEAD/tree/)) `GPL-3.0``C++`
- [Exim](https://www.exim.org/) - Message transfer agent (MTA) developed at the University of Cambridge. ([Source Code](https://git.exim.org/exim.git)) `GPL-3.0``C`
- [Haraka](https://haraka.github.io/) - High-performance, pluginable SMTP server written in Javascript. ([Source Code](https://github.com/haraka/Haraka)) `MIT``Nodejs`
- [MailCatcher](https://mailcatcher.me/) - Ruby gem that deploys a simply SMTP MTA gateway that accepts all mail and displays in web interface. Useful for debugging or development. ([Source Code](https://github.com/sj26/mailcatcher)) `MIT``Ruby`
- [MailHog](https://github.com/mailhog/MailHog) - Small Golang executable which runs an SMTP MTA gateway that accepts all mail and displays in web interface. Useful for debugging or development. `MIT``Go`
- [OpenSMTPD](https://opensmtpd.org/) - Secure SMTP server implementation from the OpenBSD project. ([Source Code](https://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.sbin/smtpd/)) `ISC``C`
- [Stalwart SMTP](https://stalw.art/smtp) - Modern SMTP server designed with a focus on security, speed, and extensive configurability. ([Source Code](https://github.com/stalwartlabs/smtp-server)) `AGPL-3.0``Rust`
- [Dada Mail](https://dadamailproject.com/) - Web-based list management system that can be used for announcement lists and/or discussion lists. ([Source Code](https://github.com/justingit/dada-mail)) `GPL-2.0``Perl`
- [HyperKitty](https://wiki.list.org/HyperKitty) - Open source Django application to provide a web interface to access GNU Mailman v3 archives. ([Demo](https://lists.mailman3.org/), [Source Code](https://gitlab.com/mailman/hyperkitty)) `GPL-3.0``Python`
- [Keila](https://www.keila.io) - Self-hosted reliable and easy-to-use newsletter tool. Alternative to proprietary services like Mailchimp or Sendinblue. ([Demo](https://app.keila.io), [Source Code](https://github.com/pentacent/keila)) `AGPL-3.0``Elixir`
- [Listmonk](https://listmonk.app/) - High performance, self-hosted newsletter and mailing list manager with a modern dashboard. ([Source Code](https://github.com/knadh/listmonk)) `AGPL-3.0``Go`
- [Mautic](https://www.mautic.org/) - Mautic is marketing automation software (email, social and more). ([Source Code](https://github.com/mautic/mautic)) `GPL-3.0``PHP`
- [phpList](https://phplist.org) - Newsletter and email marketing with advanced management of subscribers, bounces, and plugins. ([Source Code](https://github.com/phpList/phplist3)) `AGPL-3.0``PHP`
- [Postorius](https://docs.mailman3.org/projects/postorius/en/latest/) - Web user interface to access GNU Mailman. ([Source Code](https://gitlab.com/mailman/postorius/)) `GPL-3.0``Python`
- [Roundcube](https://roundcube.net) - Browser-based IMAP client with an application-like user interface. ([Source Code](https://github.com/roundcube/roundcubemail)) `GPL-3.0``PHP`
- [SnappyMail](https://snappymail.eu/) - Simple, modern, lightweight & fast web-based email client. (It is an actively developed fork of RainLoop). ([Demo](https://snappymail.eu/demo/), [Source Code](https://github.com/the-djmaze/snappymail)) `AGPL-3.0``PHP`
- [Ergo](https://ergo.chat/) - Modern IRCv3 server written in Go, combining the features of an ircd, a services framework, and a bouncer. ([Source Code](https://github.com/ergochat/ergo)) `MIT``Go`
- [InspIRCd](https://www.inspircd.org/) - Modular IRC server written in C++ for Linux, BSD, Windows, and macOS. ([Source Code](https://github.com/inspircd/inspircd)) `GPL-2.0``C++`
- [ngircd](https://ngircd.barton.de/) - Free, portable and lightweight Internet Relay Chat server for small or private networks. ([Source Code](https://github.com/ngircd/ngircd)) `GPL-2.0``C`
- [Quassel IRC](https://quassel-irc.org/) - Distributed IRC client, meaning that one (or multiple) client(s) can attach to and detach from a central core. ([Source Code](https://github.com/quassel/quassel)) `GPL-2.0``C++`
- [Robust IRC](https://robustirc.net/) - RobustIRC is IRC without netsplits. Distributed IRC server, based on RobustSession protocol. ([Source Code](https://github.com/robustirc/robustirc)) `BSD-3-Clause``Go`
- [Tiny Tiny IRC](https://tt-rss.org/tt-irc/) - An open source AJAX-powered chat platform with support for IRC ([Source Code](https://git.tt-rss.org/fox/tt-irc)). `GPL-3.0``PHP/Java`
- [UnrealIRCd](https://www.unrealircd.org/) - Modular, advanced and highly configurable IRC server written in C for Linux, BSD, Windows, and macOS. ([Source Code](https://github.com/unrealircd/unrealircd)) `GPL-2.0``C`
- [ASTPP](https://www.astppbilling.org/) - VoIP Billing Solution for Freeswitch. It supports prepaid and postpaid billing with call rating and credit control. It also provides many other features. ([Source Code](https://github.com/iNextrix/ASTPP)) `AGPL-3.0``PHP`
- [Eqivo](https://eqivo.org/) - Eqivo implements an API layer on top of FreeSWITCH facilitating integration between web applications and voice/video-enabled endpoints such as traditional phone lines (PSTN), VoIP phones, webRTC clients etc. ([Source Code](https://github.com/rtckit/eqivo)) `MIT``PHP`
- [Flexisip](https://www.linphone.org/technical-corner/flexisip/) - A complete, modular and scalable SIP server, includes a push gateway, to deliver SIP incoming calls or text messages on mobile device platforms where push notifications are required to receive information when the app is not active in the foreground. ([Source Code](https://github.com/BelledonneCommunications/flexisip)) `AGPL-3.0``C/Docker`
- [Freepbx](https://www.freepbx.org) - Web-based open source GUI that controls and manages Asterisk. ([Source Code](https://git.freepbx.org/projects/FREEPBX)) `GPL-2.0``PHP`
- [FusionPBX](https://www.fusionpbx.com/) - Open source project that provides a customizable and flexible web interface to the very powerful and highly scalable multi-platform voice switch called FreeSWITCH. ([Source Code](https://github.com/fusionpbx/fusionpbx)) `MPL-1.1``PHP`
- [Kamailio](https://www.kamailio.org/w/) - Modular SIP server (registrar/proxy/router/etc). ([Source Code](https://github.com/kamailio/kamailio)) `GPL-2.0``C`
- [Kazoo](https://2600hz.org/) - KAZOO is an open-source, highly scalable software platform designed to provide carrier-grade VoIP switch functions and features. ([Source Code](https://github.com/2600hz/KAZOO)) `MPL-1.1``Erlang`
- [openSIPS](https://opensips.org/) - OpenSIPS is an Open Source SIP proxy/server for voice, video, IM, presence and any other SIP extensions. ([Source Code](https://github.com/OpenSIPS/opensips)) `GPL-2.0``C`
- [Routr](https://routr.io) - A lightweight sip proxy, location server, and registrar for a reliable and scalable SIP infrastructure. ([Source Code](https://github.com/fonoster/routr)) `MIT``Docker`
- [Wazo](https://wazo-platform.org/) - Full-featured IPBX solution built atop Asterisk with integrated Web administration interface and REST-ful API. ([Source Code](https://github.com/wazo-platform)) `GPL-3.0``Python`
- [Akkoma](https://akkoma.social/) - Federated microblogging server with Mastodon, GNU social, and ActivityPub compatibility. ([Source Code](https://akkoma.dev/AkkomaGang/akkoma)) `AGPL-3.0``Elixir`
- [Anahita](https://www.getanahita.com/) - Open Source Social Networking Framework and Platform. ([Source Code](https://github.com/anahitasocial/anahita)) `GPL-3.0``PHP`
- [Answer](https://answer.dev/) - An open-source knowledge-based community software. You can use it to quickly build your Q&A community for product technical support, customer support, user communication, and more. ([Source Code](https://github.com/answerdev/answer)) `Apache-2.0``Docker/Go`
- [AsmBB](https://board.asm32.info) - A fast, SQLite-powered forum engine written in ASM. ([Source Code](https://asm32.info/fossil/asmbb/index)) `EUPL-1.2``Assembly`
- [Bibliogram](https://bibliogram.art) `⚠` - An alternative front-end for Instagram. ([Source Code](https://sr.ht/~cadence/bibliogram/)) `AGPL-3.0``Nodejs`
- [Buddycloud](http://buddycloud.com/) - Tools, libraries, services and a community to build user-to-user, group and social messaging into your app. Saves time. Scales up. Supports you. ([Source Code](https://github.com/buddycloud)) `Apache-2.0``Java`
- [BuddyPress](https://buddypress.org/about/) - Powerful plugin that takes your WordPress.org powered site beyond the blog with social-network features like user profiles, activity streams, user groups, and more. ([Source Code](https://github.com/buddypress/BuddyPress)) `GPL-2.0``PHP`
- [Cactus Comments](https://cactus.chat/) - Cactus Comments is a federated comment system for the open web built on Matrix. ([Demo](https://cactus.chat/demo/), [Source Code](https://gitlab.com/cactus-comments/)) `GPL-3.0``Python`
- [Commento](https://gitlab.com/commento/commento) - Commento is a discussion platform that you can embed on your blog, news articles, and any place where you want your readers to add comments. `MIT``Go`
- [Discourse](https://www.discourse.org/) - Advanced forum / community solution based on Ruby and JS. ([Demo](https://try.discourse.org/), [Source Code](https://github.com/discourse/discourse)) `GPL-2.0``Ruby`
- [Enigma 1/2 BBS](https://nuskooler.github.io/enigma-bbs/) - Enigma 1/2 is a modern, multi-platform BBS engine with unlimited "callers" and legacy DOS door game support. ([Demo](https://l33t.codes/xibalba-bbs/), [Source Code](https://github.com/NuSkooler/enigma-bbs)) `BSD-2-Clause``Shell/Docker/Nodejs`
- [Flarum](https://flarum.org) - Delightfully simple forums. Flarum is the next-generation forum software that makes online discussion fun again. ([Source Code](https://github.com/flarum/flarum)) `MIT``PHP`
- [FlaskBB](https://flaskbb.org/) - FlaskBB is forum software written in Python using the microframework Flask. You can easily create new topics, posts and send other users private messages. It also includes basic administration and moderation tools. ([Source Code](https://github.com/flaskbb/flaskbb)) `BSD-3-Clause``Python`
- [GNU social](https://gnu.io/social/) - Social communication software for both public and private communications. ([Source Code](https://notabug.org/diogo/gnu-social)) `AGPL-3.0``PHP`
- [GoToSocial](https://github.com/superseriousbusiness/gotosocial) - ActivityPub federated social network server implementing the Mastodon client API. `AGPL-3.0``Docker/Go`
- [Isso](https://isso-comments.de/) - Lightweight commenting server written in Python and Javascript. It aims to be a drop-in replacement for Disqus. ([Source Code](https://github.com/posativ/isso)) `MIT``Python/Docker`
- [Lemmy](https://join-lemmy.org/) - A link aggregator / reddit clone for the fediverse. Reddit alternative built in Rust. ([Source Code](https://github.com/LemmyNet/lemmy)) `AGPL-3.0``Rust`
- [Loomio](https://www.loomio.org/) - Loomio is a collaborative decision-making tool that makes it easy for anyone to participate in decisions which affect them. ([Source Code](https://github.com/loomio/loomio)) `AGPL-3.0``Ruby`
- [Mastodon](https://joinmastodon.org/) - Federated microblogging server, an alternative to GNU social. ([Source Code](https://github.com/tootsuite/mastodon)) `AGPL-3.0``Ruby`
- [Misago](https://misago-project.org/) - Misago is fully featured modern forum application that is fast, scalable and responsive. ([Source Code](https://github.com/rafalp/Misago)) `GPL-2.0``Python`
- [Misskey](https://misskey.io/) - Decentralized app-like microblogging server/SNS for the Fediverse, using the ActivityPub protocol like GNU social and Mastodon. ([Source Code](https://github.com/misskey-dev/misskey)) `AGPL-3.0``Nodejs`
- [Movim](https://movim.eu/) - Modern, federated social network based on XMPP, with a fully featured group-chat, subscriptions and microblogging. ([Source Code](https://github.com/movim/movim)) `AGPL-3.0``PHP`
- [Orange Forum](https://www.goodoldweb.com/) - Orange Forum is an easy to deploy forum that has minimal dependencies and uses very little javascript. ([Source Code](https://github.com/s-gv/orangeforum)) `BSD-3-Clause``Go`
- [OSSN](https://www.opensource-socialnetwork.org/) - Open Source Social Network (OSSN) is a social networking software written in PHP. It allows you to make a social networking website and helps your members build social relationships, with people who share similar professional or personal interests. ([Source Code](https://github.com/opensource-socialnetwork/opensource-socialnetwork)) `GPL-2.0``PHP`
- [phpBB](https://www.phpbb.com/) - Flat-forum bulletin board software solution that can be used to stay in touch with a group of people or can power your entire website. ([Source Code](https://github.com/phpbb/phpbb)) `GPL-2.0``PHP`
- [PixelFed](https://pixelfed.social) - Pixelfed is an open-source, federated platform alternate to Instagram. ([Source Code](https://github.com/pixelfed/pixelfed)) `AGPL-3.0``PHP`
- [remark42](https://remark42.com/) - A lightweight and simple comment engine, which doesn't spy on users. It can be embedded into blogs, articles or any other place where readers add comments. ([Demo](https://remark42.com/demo/), [Source Code](https://github.com/umputun/remark42)) `MIT``Go`
- [Retrospring](https://github.com/retrospring/retrospring) - A free, open-source social network following the Q/A (question and answer) principle of sites like Formspring, ask.fm or CuriousCat. ([Demo](https://retrospring.net)) `AGPL-3.0``Ruby/Nodejs`
- [Scoold](https://scoold.com) - Stack Overflow in a JAR. An enterprise-ready Q&A platform with full-text search, SAML, LDAP integration and social login support. ([Demo](https://live.scoold.com), [Source Code](https://github.com/Erudika/scoold)) `Apache-2.0``Java`
- [Simple Machines Forum](https://www.simplemachines.org/) - Free, professional grade software package that allows you to set up your own online community within minutes. ([Source Code](https://github.com/SimpleMachines/SMF2.1)) `BSD-3-Clause``PHP`
- [Talkyard](https://www.talkyard.io/) - Create a community, where your users can suggest ideas and get questions answered. And have friendly open-ended discussions and chat (Slack/StackOverflow/Discourse/Reddit/Disqus hybrid). ([Demo](https://www.talkyard.io/forum/latest), [Source Code](https://github.com/debiki/talkyard)) `AGPL-3.0``Scala`
- [yarn.social](https://yarn.social) - Self-Hosted, Twitter™-like Decentralised micro-logging platform. No ads, no tracking, your content, your data. ([Source Code](https://git.mills.io/yarnsocial/yarn)) `MIT``Go`
- [Zusam](https://github.com/zusam/zusam) - Free and open-source way to self-host private forums for groups of friends or family. ([Demo](https://demo.zusam.org)) `AGPL-3.0``PHP`
- [BigBlueButton](https://bigbluebutton.org/) - Supports real-time sharing of audio, video, slides (with whiteboard controls), chat, and the screen. Instructors can engage remote students with polling, emojis, and breakout rooms. ([Demo](https://demo.bigbluebutton.org/gl), [Source Code](https://github.com/bigbluebutton/bigbluebutton)) `LGPL-3.0``Java`
- [Galene](https://galene.org/) - Galène (or Galene) is a videoconference server (an “SFU”) that is easy to deploy and that requires moderate server resources. ([Source Code](https://github.com/jech/galene)) `MIT``Go`
- [Jitsi Meet](https://jitsi.org/Projects/JitsiMeet) - Jitsi Meet is an OpenSource (MIT) WebRTC Javascript application that uses Jitsi Videobridge to provide high quality, scalable video conferences. ([Source Code](https://github.com/jitsi/jitsi-meet)) `Apache-2.0``Nodejs/Docker`
- [Jitsi Video Bridge](https://jitsi.org/Projects/JitsiVideobridge) - WebRTC compatible Selective Forwarding Unit (SFU) that allows for multiuser video communication. ([Source Code](https://github.com/jitsi/jitsi-videobridge)) `Apache-2.0``Java`
- [MiroTalk C2C](https://c2c.mirotalk.com) - Real-time cam-2-cam video calls & screen sharing, end-to-end encrypted, to embed in any website with a simple iframe. ([Source Code](https://github.com/miroslavpejic85/mirotalkc2c)) `MIT``Nodejs/Docker`
- [MiroTalk P2P](https://p2p.mirotalk.com) - Simple, secure, fast real-time video conferences up to 4k and 60fps, compatible with all browsers and platforms. ([Demo](https://p2p.mirotalk.com/newcall), [Source Code](https://github.com/miroslavpejic85/mirotalk)) `AGPL-3.0``Nodejs/Docker`
- [MiroTalk SFU](https://sfu.mirotalk.com) - Simple, secure, scalable real-time video conferences up to 4k, compatible with all browsers and platforms. ([Demo](https://sfu.mirotalk.com/newroom), [Source Code](https://github.com/miroslavpejic85/mirotalksfu)) `AGPL-3.0``Nodejs/Docker`
- [plugNmeet](https://www.plugnmeet.org/) - Scalable, High Performance, Open source web conferencing system. ([Demo](https://demo.plugnmeet.com/login.html), [Source Code](https://github.com/mynaparrot/plugNmeet-server)) `MIT``Docker/Go`
- [jackal](https://github.com/ortuman/jackal) - XMPP server with focus on stability, simple configuration and low resource consumption. `Apache-2.0``Go`
- [MongooseIM](https://www.erlang-solutions.com/products/mongooseim.html) - Mobile messaging platform with a focus on performance and scalability. ([Source Code](https://github.com/esl/MongooseIM)) `GPL-2.0``Erlang`
- [Converse.js](https://conversejs.org/) - Free and open-source XMPP chat client in your browser. ([Source Code](https://github.com/conversejs/converse.js)) `MPL-2.0``Javascript`
- [JSXC](https://jsxc.org) - Real-time XMPP web chat application with video calls, file transfer and encrypted communication. There are also versions for Nextcloud/Owncloud and SOGo. ([Source Code](https://github.com/jsxc/jsxc)) `MIT``Javascript`
- [Salut à Toi](https://www.salut-a-toi.org/) - Multipurpose, multi frontend, libre and decentralized communication tool. ([Source Code](https://repos.goffi.org/libervia-backend)) `AGPL-3.0``Python`
- [Cagette](https://cagette.net/) - Open source web app to help people build a better and sustainable food system. Some people call it a 'foodhub' - a mix between a groupware and a marketplace, helping consumers to order food from local farmers and producers. ([Source Code](https://github.com/CagetteNet/cagette)) `GPL-2.0``Haxe`
- [Foodsoft](https://foodcoops.net/) - Web-based software to manage a non-profit food coop (product catalog, ordering, accounting, job scheduling). ([Source Code](https://github.com/foodcoops/foodsoft)) `AGPL-3.0``Ruby`
- [juntagrico](https://juntagrico.org/) - Management platform for community gardens and vegetable cooperatives. ([Source Code](https://github.com/juntagrico/juntagrico)) `LGPL-3.0``Python`
- [Local Food Nodes](https://localfoodnodes.org/) - Your open source platform for peoples driven local food markets and CSA. ([Source Code](https://gitlab.com/localfoodnodes/localfoodnodes)) `MIT``PHP`
- [Open Food Network](https://www.openfoodnetwork.org/) - Online marketplace for local food. It enables a network of independent online food stores that connect farmers and food hubs with individuals and local businesses. ([Source Code](https://github.com/openfoodfoundation/openfoodnetwork)) `AGPL-3.0``Ruby`
- [teikei](https://github.com/teikei/teikei) - A web application that maps out community-supported agriculture based on crowdsourced data. ([Demo](https://ernte-teilen.org/karte/#/)) `AGPL-3.0``Nodejs`
- [Conference Organizing Distribution (COD)](http://usecod.com/) - Create conference and event websites built on top of Drupal. ([Source Code](https://git.drupalcode.org/project/cod)) `GPL-2.0``PHP`
- [frab](https://frab.github.io/frab/) - Web-based conference planning and management system. It helps to collect submissions, to manage talks and speakers and to create a schedule. ([Source Code](https://github.com/frab/frab)) `MIT``Ruby`
- [indico](https://getindico.io/) - A feature-rich event management system, made @ CERN, the place where the Web was born. ([Demo](https://sandbox.getindico.io/), [Source Code](https://github.com/indico/indico)) `MIT``Python`
- [pretalx](https://pretalx.org) - Web-based event management, including running a Call for Papers, reviewing submissions, and scheduling talks. Exports and imports for various related tools. ([Source Code](https://github.com/pretalx/pretalx)) `Apache-2.0``Python`
[Content Management Systems](https://en.wikipedia.org/wiki/Content_management_system) offer a practical way to setup a website with many features, using third party plugins, themes and functionality that are easy to add and customize.
- [Alfresco Community Edition](https://www.alfresco.com/products/community/download) - The open source Enterprise Content Management software that handles any type of content, allowing users to easily share and collaborate on content. ([Source Code](https://hub.alfresco.com/t5/alfresco-content-services-hub/project-overview-repository/ba-p/290502)) `LGPL-3.0``Java`
- [b2evolution CMS](https://b2evolution.net/) - The most integrated CMS ever: b2evolution includes everything you need to build websites for publishing, sharing and interacting with your community. ([Source Code](https://github.com/b2evolution/b2evolution)) `GPL-2.0``PHP`
- [Backdrop CMS](https://backdropcms.org/) - Comprehensive CMS for small to medium sized businesses and non-profits. ([Source Code](https://github.com/backdrop/backdrop)) `GPL-2.0``PHP`
- [BigTree CMS](https://www.bigtreecms.org/) - Straightforward, well documented, and capable written with PHP and MySQL. ([Source Code](https://github.com/bigtreecms/BigTree-CMS)) `LGPL-2.1``PHP`
- [Bludit](https://www.bludit.com/) `⚠` - Simple application to build a site or blog in seconds. Bludit uses flat-files (text files in JSON format) to store posts and pages. ([Demo](https://demo.bludit.com/), [Source Code](https://github.com/bludit/bludit)) `MIT``PHP`
- [Bolt CMS](https://boltcms.io/) - Open source Content Management Tool, which strives to be as simple and straightforward as possible. ([Source Code](https://github.com/bolt/core)) `MIT``PHP`
- [CMS Made Simple](https://www.cmsmadesimple.org/) - Open source content management system, faster and easier management of website contents, scalable for small businesses to large corporations. ([Source Code](http://svn.cmsmadesimple.org/svn/cmsmadesimple/trunk/)) `GPL-2.0``PHP`
- [Contao](https://contao.org/) - Contao is a powerful open source CMS that allows you to create professional websites and scalable web applications. ([Source Code](https://github.com/contao/contao/)) `LGPL-3.0``PHP`
- [eLabFTW](https://www.elabftw.net) - Online lab notebook for research labs. Store experiments, use a database to find reagents or protocols, use trusted timestamping to legally timestamp an experiment, export as pdf or zip archive, share with collaborators…. ([Demo](https://demo.elabftw.net), [Source Code](https://github.com/elabftw/elabftw)) `AGPL-3.0``PHP`
- [Flextype](https://flextype.org/) - Flextype is an open-source Hybrid Content Management System with the freedom of a headless CMS and with the full functionality of a traditional CMS. ([Source Code](https://github.com/flextype/flextype)) `MIT``PHP`
- [MODX](https://modx.com/) - MODX is an advanced content management and publishing platform. The current version is called 'Revolution'. ([Source Code](https://github.com/modxcms/revolution)) `GPL-2.0``PHP`
- [Neos](https://www.neos.io) - Neos or TYPO3 Neos (for version 1) is a modern, open source CMS. ([Source Code](https://github.com/neos)) `GPL-3.0``PHP`
- [Noosfero](https://gitlab.com/noosfero/noosfero) - Noosfero is a web platform for social and solidarity economy networks with blog, e-Portfolios, CMS, RSS, thematic discussion, events agenda and collective intelligence for solidarity economy in the same system. `AGPL-3.0``Ruby`
- [Omeka](https://omeka.org) - Create complex narratives and share rich collections, adhering to Dublin Core standards with Omeka on your server, designed for scholars, museums, libraries, archives, and enthusiasts. ([Demo](https://omeka.org/classic/showcase/), [Source Code](https://github.com/omeka/Omeka)) `GPL-3.0``PHP`
- [Publify](https://publify.github.io/) - Simple but full featured web publishing software. ([Source Code](https://github.com/publify/publify)) `MIT``Ruby`
- [REDAXO](https://www.redaxo.org) - Simple, flexible and useful content management system (documentation only available in German). ([Source Code](https://github.com/redaxo/redaxo)) `MIT``PHP`
- [Roadiz](https://www.roadiz.io/) - Modern CMS based on a node system which can handle many types of services. ([Source Code](https://github.com/roadiz/roadiz)) `MIT``PHP`
- [SilverStripe](https://www.silverstripe.org) - Easy to use CMS with powerful MVC framework underlying. ([Demo](https://demo.silverstripe.org/), [Source Code](https://github.com/silverstripe)) `BSD-3-Clause``PHP`
- [SPIP](https://www.spip.net/fr) - Publication system for the Internet aimed at collaborative work, multilingual environments, and simplicity of use for web authors. ([Source Code](https://git.spip.net/)) `GPL-3.0``PHP`
- [Squidex](https://squidex.io) - Headless CMS, based on MongoDB, CQRS and Event Sourcing. ([Demo](https://cloud.squidex.io), [Source Code](https://github.com/Squidex/squidex)) `MIT``.NET`
- [Strapi](https://strapi.io/) - The most advanced open-source Content Management Framework (headless-CMS) to build powerful API with no effort. ([Source Code](https://github.com/strapi/strapi)) `MIT``Nodejs`
- [Typemill](https://typemill.net/) - Author-friendly flat-file-cms with a visual markdown editor based on vue.js. ([Source Code](https://github.com/typemill/typemill)) `MIT``PHP`
- [Umbraco](https://umbraco.com/) - The friendly CMS. Free and open source with an amazing community. ([Source Code](https://github.com/umbraco/Umbraco-CMS)) `MIT``.NET`
- [Wagtail](https://wagtail.io/) - Django content management system focused on flexibility and user experience. ([Source Code](https://github.com/wagtail/wagtail)) `BSD-3-Clause``Python`
- [WinterCMS](https://wintercms.com/) - Speedy and secure content management system built on the Laravel PHP framework. ([Source Code](https://github.com/wintercms/winter)) `MIT``PHP`
_See also: [dbdb.io - Database of Databases](https://dbdb.io/)_
- [Baserow](https://baserow.io/) - Open source online database tool and Airtable alternative. Create your own database without technical experience. ([Source Code](https://gitlab.com/bramw/baserow)) `MIT``Python/Nodejs`
- [Bytebase](https://www.bytebase.com/) - Safe database schema change and version control for DevOps teams, supports MySQL, PostgreSQL, TiDB, ClickHouse, and Snowflake. ([Demo](https://demo.bytebase.com), [Source Code](https://github.com/bytebase/bytebase)) `MIT``Docker/Go`
- [Chartbrew](https://chartbrew.com) - Web application that can connect directly to databases and APIs and use the data to create beautiful charts. ([Demo](https://app.chartbrew.com/live-demo), [Source Code](https://github.com/chartbrew/chartbrew)) `MIT``Nodejs`
- [CloudBeaver](https://cloudbeaver.io/) - Self-hosted management of databases, supports PostgreSQL, MySQL, SQLite and more. A web/hosted version of DBeaver. ([Source Code](https://github.com/dbeaver/cloudbeaver)) `Apache-2.0``Nodejs`
- [Databunker](https://databunker.org/) - Network-based, self-hosted, GDPR compliant, secure database for personal data or PII. ([Source Code](https://github.com/securitybunker/databunker)) `MIT``Go`
- [Datasette](https://datasette.io/) - An open source multi-tool for exploring and publishing data, easy import and export and database management. ([Demo](https://global-power-plants.datasettes.com/global-power-plants/global-power-plants), [Source Code](https://github.com/simonw/datasette)) `Apache-2.0``Python`
- [Directus](https://directus.io/) - An Instant App & API for your SQL Database. Directus wraps your new or existing SQL database with a realtime GraphQL+REST API for developers, and an intuitive admin app for non-technical users. ([Source Code](https://github.com/directus/directus)) `GPL-3.0``Nodejs`
- [Mathesar](https://mathesar.org/) - An intuitive UI for managing data collaboratively, for users of all technical skill levels. Built on Postgres – connect an existing DB or set up a new one. ([Demo](https://demo.mathesar.org/), [Source Code](https://github.com/centerofci/mathesar)) `GPL-3.0``Docker`
- [MindsDB](https://github.com/mindsdb/mindsdb) - MindsDB is an open source self hosted AI layer for existing databases that allows you to effortlessly develop, train and deploy state-of-the-art machine learning models using standard queries. `GPL-3.0``Python`
- [NocoDB](https://www.nocodb.com/) - No-code platform that turns any database into a smart spreadsheet. It can be considered as an Airtable or Smartsheet alternative. ([Source Code](https://github.com/nocodb/nocodb)) `GPL-3.0``Nodejs`
- [blocky](https://github.com/0xERR0R/blocky) - Fast and lightweight DNS proxy (like Pi-hole) as ad-blocker for local network with many features. `Apache-2.0``Go`
- [CoreDNS](https://coredns.io/) - Plugin driven DNS Server with support for proxying to Google's DNS-over-HTTPS. ([Source Code](https://github.com/coredns/coredns)) `Apache-2.0``Go`
- [Maza ad blocking](https://maza-ad-blocking.andros.dev/) - Local ad blocker. Like Pi-hole but local and using your operating system. ([Source Code](https://github.com/tanrax/maza-ad-blocking)) `Apache-2.0``Bash`
- [SmartDNS](https://github.com/pymumu/smartdns) - A local DNS server to obtain the fastest website IP for the best Internet experience, supports DoT, DoH. `GPL-3.0``C`
- [SPF Toolbox](https://spftoolbox.com) - Application to look up DNS records such as SPF, MX, Whois, and more. ([Source Code](https://github.com/charlesabarnes/SPFtoolbox)) `MIT``PHP`
- [Technitium DNS Server](https://technitium.com/dns/) - An open source authoritative as well as recursive DNS server that can be used for self hosting a DNS server for privacy & security. ([Source Code](https://github.com/TechnitiumSoftware/DnsServer)) `GPL-3.0``Docker/C#`
A [document management system](https://en.wikipedia.org/wiki/Document_management_system) (DMS) is a system used to receive, track, manage and store documents and reduce paper.
- [EveryDocs](https://github.com/jonashellmann/everydocs-core) - A simple Document Management System for private use with basic functionality to organize your documents digitally. `GPL-3.0``Ruby`
- [I, Librarian](https://i-librarian.net) - I, Librarian can organize PDF papers and office documents. It provides a lot of extra features for students and research groups both in industry and academia. ([Demo](https://i-librarian.net/demo/), [Source Code](https://github.com/mkucej/i-librarian-free)) `GPL-3.0``PHP`
- [Mayan EDMS](https://www.mayan-edms.com) - Free Open Source Electronic Document Management System. An electronic vault for your documents with preview generation, OCR, and automatic categorization among other features. ([Source Code](https://gitlab.com/mayan-edms/mayan-edms)) `Apache-2.0``Python`
- [Paperless-ngx](https://docs.paperless-ngx.com/) - A fork of paperless, adding a new interface and many other changes under the hood. Scan, index, and archive all of your paper documents. ([Demo](https://demo.paperless-ngx.com/), [Source Code](https://github.com/paperless-ngx/paperless-ngx)) `GPL-3.0``Python`
- [Papermerge](https://www.papermerge.com) - Open Source Document Management System focused on scanned documents (electronic archives). Features file browsing in similar way to dropbox/google drive. OCR, full text search, text overlay/selection. ([Source Code](https://github.com/ciur/papermerge)) `Apache-2.0``Python`
- [paper{s}pace](https://dedicatedcode.com/projects.html) - Small web application to manage all your offline documents. Provides a searchable storage for your documents and reminds you of upcoming tasks. ([Source Code](https://gitlab.com/dedicatedcode/paperspace)) `MIT``Java`
- [Stirling-PDF](https://github.com/Frooodle/Stirling-PDF) - Local hosted web application that allows you to perform various operations on PDF files, such as merging, splitting, file conversions and OCR. `Apache-2.0``Docker/Java`
- [Teedy](https://teedy.io/) - Lightweight document management system packed with all the features you can expect from big expensive solutions (Ex SismicsDocs). ([Demo](https://demo.teedy.io/), [Source Code](https://github.com/sismics/docs)) `GPL-2.0``Docker/Java`
- [Calibre Web](https://github.com/janeczku/calibre-web) - Web app providing a clean interface for browsing, reading and downloading eBooks using an existing Calibre database. `GPL-3.0``Python`
- [Calibre](https://calibre-ebook.com/) - E-book library manager that can view, convert, and catalog e-books in most of the major e-book formats and provides a built-in Web server for remote clients. ([Demo](https://calibre-ebook.com/demo), [Source Code](https://launchpad.net/calibre)) `GPL-3.0``Python`
- [Kavita](https://www.kavitareader.com/) - Cross-platform e-book/manga/comic/pdf server and web reader with user management, ratings and reviews, and metatdata support. ([Demo](https://wiki.kavitareader.com/en/kavita-demo), [Source Code](https://github.com/Kareadita/Kavita)) `GPL-3.0``.NET Core/Docker`
- [Komga](https://komga.org) - Media server for comics/mangas/BDs with API and OPDS support, a modern web interface for exploring your libraries, as well as a web reader. ([Source Code](https://github.com/gotson/komga)) `MIT``Java/Docker`
- [Stump](https://www.stumpapp.dev) - A fast, free and open source comics, manga and digital book server with OPDS support. ([Source Code](https://github.com/aaronleopold/stump)) `MIT``Rust`
- [DSpace](https://duraspace.org/dspace/) - Turnkey repository application providing durable access to digital resources. ([Source Code](https://github.com/DSpace/DSpace)) `BSD-3-Clause``Java`
- [EPrints](https://www.eprints.org/) - Digital document management system with a flexible metadata and workflow model primarily aimed at academic institutions. ([Demo](http://tryme.demo.eprints-hosting.org/), [Source Code](https://github.com/eprints/eprints)) `GPL-3.0``Perl`
- [Fedora Commons Repository](https://wiki.lyrasis.org/display/FF/Fedora+Repository+Home) - Robust and modular repository system for the management and dissemination of digital content especially suited for digital libraries and archives, both for access and preservation. ([Source Code](https://github.com/fcrepo/fcrepo)) `Apache-2.0``Java`
- [InvenioRDM](https://inveniordm.docs.cern.ch/) - Highly scalable turn-key research data management platform with a beautiful user experience. ([Demo](https://inveniordm.web.cern.ch/), [Source Code](https://github.com/inveniosoftware/), [Clients](https://inveniosoftware.org/products/rdm/)) `MIT``Python`
- [Samvera Hyrax](https://samvera.org/) - Front-end for the Samvera framework, which itself is a Ruby on Rails application for browsing and managing Fedora-based digital repositories. ([Source Code](https://github.com/samvera/hyrax)) `Apache-2.0``Ruby`
An [integrated library system](https://en.wikipedia.org/wiki/Integrated_library_system) is an enterprise resource planning system for a library, used to track items owned, orders made, bills paid, and patrons who have borrowed.
_Related: [Content Management Systems (CMS)](#content-management-systems-cms), [Archiving and Digital Preservation (DP)](#archiving-and-digital-preservation-dp)_
- [Evergreen](https://evergreen-ils.org) - Highly-scalable software for libraries that helps library patrons find library materials, and helps libraries manage, catalog, and circulate those materials. ([Source Code](https://github.com/evergreen-library-system/Evergreen)) `GPL-2.0``PL/pgSQL`
- [Koha](https://koha-community.org/) - Enterprise-class ILS with modules for acquisitions, circulation, cataloging, label printing, offline circulation for when Internet access is not available, and much more. ([Demo](https://koha-community.org/demo/), [Source Code](https://github.com/Koha-Community/Koha)) `GPL-3.0``Perl`
- [RERO ILS](https://rero21.ch/) - Large-scale ILS that can be run as a service with consortial features, intended primarily for library networks. Includes most standard modules (circulation, acquisitions, cataloging,...) and a web-based public and professional interface. ([Demo](https://ils.test.rero.ch/), [Source Code](https://github.com/rero/rero-ils)) `AGPL-3.0``Python/Other`
- [Aimeos](https://aimeos.org/) - Ultra fast, Open Source e-commerce framework for building custom online shops, market places and complex B2B applications scaling to billions of items with Laravel. ([Demo](https://demo.aimeos.org/), [Source Code](https://github.com/aimeos)) `LGPL-3.0/MIT``PHP`
- [Bagisto](https://bagisto.com/en/) - Leading Laravel open source e-commerce framework with multi-inventory sources, taxation, localization, dropshipping and more exciting features. ([Demo](https://demo.bagisto.com/), [Source Code](https://github.com/bagisto/bagisto)) `MIT``PHP`
- [CoreShop](https://www.coreshop.org) - CoreShop is a e-commerce plugin for Pimcore. ([Source Code](https://github.com/coreshop/CoreShop)) `GPL-3.0``PHP`
- [Drupal Commerce](https://drupalcommerce.org) - Drupal Commerce is a popular e-commerce module for Drupal CMS, with support for dozens of payment, shipping, and shopping related modules. ([Source Code](https://git.drupalcode.org/project/commerce)) `GPL-2.0``PHP`
- [MedusaJs](https://medusajs.com/) - Medusa is an open-source headless commerce engine that enables developers to create amazing digital commerce experiences. ([Demo](https://demo.medusajs.com/a/orders?offset=0&limit=15), [Source Code](https://github.com/medusajs/medusa)) `MIT``Nodejs`
- [Microweber](https://microweber.com/) - Drag and Drop CMS and online shop. ([Demo](https://demo.microweber.org/), [Source Code](https://github.com/microweber/microweber)) `Apache-2.0``PHP`
- [OXID eShop](https://oxidforge.org/en/) - OXID eShop is a flexible open source e-commerce software with a wide range of functionalities. ([Source Code](https://github.com/OXID-eSales/oxideshop_ce)) `GPL-3.0``PHP`
- [s-cart](https://s-cart.org/) - S-Cart is a free e-commerce website project for individuals and businesses, built on top of Laravel Framework. ([Demo](https://demo.s-cart.org/), [Source Code](https://github.com/s-cart/s-cart)) `MIT``PHP`
- [Shopware Community Edition](https://www.shopware.com/community/) - PHP based open source e-commerce software made in Germany. ([Demo](https://www.shopware.com/en/test-demo/), [Source Code](https://github.com/shopware/platform)) `MIT``PHP`
- [Solidus](https://solidus.io/) - A free, open-source ecommerce platform that gives you complete control over your store. ([Demo](http://demo.solidus.io/), [Source Code](https://github.com/solidusio/solidus)) `BSD-3-Clause``Ruby`
- [Spree Commerce](https://spreecommerce.org) - Spree is a complete, modular & API-driven open source e-commerce solution for Ruby on Rails. ([Demo](https://new-ux.spreecommerce.org/), [Source Code](https://github.com/spree/spree)) `BSD-3-Clause``Ruby`
- [Sylius](https://sylius.com) - Symfony2 powered open source full-stack platform for eCommerce. ([Demo](https://sylius.com/try/), [Source Code](https://github.com/Sylius/Sylius)) `MIT``PHP`
- [Thelia](https://thelia.net/) - Thelia is an open source and flexible e-commerce solution. ([Demo](https://demo.thelia.net/), [Source Code](https://github.com/thelia/thelia)) `LGPL-3.0``PHP`
[Federated identity](https://en.wikipedia.org/wiki/Federated_identity) and [authentication](https://en.wikipedia.org/wiki/Electronic_authentication) software.
A [news aggregator](https://en.wikipedia.org/wiki/News_aggregator), also termed a feed aggregator, feed reader, news reader, [RSS](https://en.wikipedia.org/wiki/RSS) reader, is an application that aggregates web content such as newspapers/blogs/vlogs/podcasts in one location for easy viewing.
- [Feedpushr](https://github.com/ncarlier/feedpushr) - Powerful RSS aggregator, able to transform and send articles to many outputs. Single binary, extensible with plugins. `GPL-3.0``Go`
- [JARR](https://1pxsolidblack.pl/jarr-en.html) - JARR (Just Another RSS Reader) is a web-based news aggregator and reader (fork of Newspipe). ([Demo](https://www.jarr.info/), [Source Code](https://github.com/jaesivsm/JARR)) `AGPL-3.0``Python`
- [Miniflux](https://miniflux.app/) - Miniflux is a minimalist and open source news reader, written in Go and PostgreSQL. ([Source Code](https://github.com/miniflux/v2)) `Apache-2.0``Go`
- [NewsBlur](https://www.newsblur.com/) - NewsBlur is a personal news reader that brings people together to talk about the world. A new sound of an old instrument. ([Source Code](https://github.com/samuelclay/NewsBlur)) `MIT``Python`
- [reader](https://github.com/lemon24/reader) - A Python feed reader web app and library (so you can use it to build your own), with only standard library and pure-Python dependencies. `BSD-3-Clause``Python`
- [RSS Fulltext Proxy](https://github.com/Kombustor/rss-fulltext-proxy) - Mirrors RSS feeds to return the full content of the items, extracted from the website. `MIT``Nodejs`
- [RSS Monster](https://github.com/pietheinstrengholt/rssmonster) - RSS Monster is an easy to use web-based RSS aggregator and reader compatible with the Fever API, created as an alternative for Google Reader. `MIT``PHP`
- [RSS2EMail](https://github.com/rss2email/rss2email) - Fetches RSS/Atom-feeds and pushes new Content to any email-receiver, supports OPML. `GPL-2.0``Python`
- [Screaming Liquid Tiger](https://git.herrbischoff.com/screaming-liquid-tiger/) - Simple script to automatically generate valid RSS and Atom feeds from a list of media files in the same folder. `MIT``PHP`
- [Selfoss](https://selfoss.aditu.de/) - New multipurpose rss reader, live stream, mashup, aggregation web application. ([Source Code](https://github.com/fossar/selfoss)) `GPL-3.0``PHP`
- [Sismics Reader](https://www.sismics.com/reader/) - Free and open source feeds reader, including all major Google Reader features. ([Demo](https://www.sismics.com/reader/#!/demo), [Source Code](https://github.com/sismics/reader)) `GPL-2.0``Java`
- [Yarr](https://github.com/nkanaev/yarr) - Yarr (yet another rss reader) is a web-based feed aggregator which can be used both as a desktop application and a personal self-hosted server. `MIT``Go`
- [Kinto](https://kinto.readthedocs.org) - Kinto is a minimalist JSON storage service with synchronisation and sharing abilities. ([Source Code](https://github.com/Kinto)) `Apache-2.0``Python`
- [myDrive](https://github.com/subnub/myDrive) - Fully featured online storage solution, upload/download files, photo/video viewer, and more, all through the web client. `GPL-3.0``Nodejs`
- [Nextcloud](https://nextcloud.com/) - Access and share your files, calendars, contacts, mail and [more](https://apps.nextcloud.com/) from any device, on your terms. ([Demo](https://try.nextcloud.com/), [Source Code](https://github.com/nextcloud/server)) `AGPL-3.0``PHP`
- [Peergos](https://peergos.org) - Secure and private space online where you can store, share and view your photos, videos, music and documents. Also includes a calendar, news feed, task lists, chat and email client. ([Source Code](https://github.com/Peergos)) `AGPL-3.0``Java`
- [Pydio](https://pydio.com/) - Turn any web server into a powerful file management system and an alternative to mainstream cloud storage providers. ([Demo](https://pydio.com/en/demo), [Source Code](https://github.com/pydio/cells)) `AGPL-3.0``Go`
- [Samba](https://www.samba.org/) - Samba is the standard Windows interoperability suite of programs for Linux and Unix. It provides secure, stable and fast file and print services for all clients using the SMB/CIFS protocol. ([Source Code](https://git.samba.org/samba.git/)) `GPL-3.0``C`
- [Seafile](https://www.seafile.com/en/home/) - File hosting and sharing solution primary for teams and organizations. ([Source Code](https://github.com/haiwen/seafile)) `GPL-2.0/GPL-3.0/AGPL-3.0/Apache-2.0``C`
- [Syncthing](https://syncthing.net/) - Syncthing is an open source peer-to-peer file synchronisation tool. ([Source Code](https://github.com/syncthing/syncthing)) `MPL-2.0``Go`
- [Unison](https://www.cis.upenn.edu/~bcpierce/unison/) - Unison is a file-synchronization tool for OSX, Unix, and Windows. ([Source Code](https://github.com/bcpierce00/unison)) `GPL-3.0``OCaml`
[Object storage](https://en.wikipedia.org/wiki/Object_storage) is a computer data storage that manages data as objects, as opposed to other storage architectures like file systems which manages data as a file hierarchy, and block storage which manages data as blocks within sectors and tracks.
- [GarageHQ](https://garagehq.deuxfleurs.fr/) - An open-source geo-distributed storage service you can self-host to fulfill many needs - S3 compatible. ([Source Code](https://git.deuxfleurs.fr/Deuxfleurs/garage)) `AGPL-3.0``Rust`
- [Minio](https://min.io/) - Minio is an open source object storage server compatible with Amazon S3 APIs. ([Source Code](https://github.com/minio/minio)) `AGPL-3.0``Go`
- [SeaweedFS](https://github.com/chrislusf/seaweedfs) - SeaweedFS is an open source distributed file system supporting WebDAV, S3 API, FUSE mount, HDFS, etc, optimized for lots of small files, and easy to add capacity. `Apache-2.0``Go`
- [SFTPGo](https://github.com/drakkan/sftpgo) - Flexible, fully featured and highly configurable SFTP server with optional FTP/S and WebDAV support. `AGPL-3.0``Go`
- [Zenko CloudServer](https://www.zenko.io/cloudserver) - Zenko CloudServer, an open-source implementation of a server handling the Amazon S3 protocol. ([Source Code](https://github.com/scality/cloudserver)) `Apache-2.0``Nodejs`
[Peer-to-peer file sharing](https://en.wikipedia.org/wiki/Peer-to-peer_file_sharing) is the distribution and [sharing](https://en.wikipedia.org/wiki/File_sharing) of digital media using [peer-to-peer](https://en.wikipedia.org/wiki/Peer-to-peer) (P2P) networking technology.
- [Dat Project](https://dat-ecosystem.org/) - Powerful decentralized file sharing applications built from a large ecosystem of modules. ([Source Code](https://github.com/datproject)) `MIT``Nodejs`
- [exatorrent](https://github.com/varbhat/exatorrent) - BitTorrent client written in Go that can be run locally or hosted on a remote server, and supports streaming via HTTP. `GPL-3.0``Go`
- [qBittorrent](https://www.qbittorrent.org/) - Free cross-platform bittorrent client with a feature rich Web UI for remote access. ([Source Code](https://github.com/qbittorrent/qBittorrent)) `GPL-2.0``C++`
- [Send](https://github.com/timvisee/send) - Simple, private, end to end encrypted temporary file sharing, originally built by Mozilla. ([Clients](https://github.com/timvisee/send#clients)) `MPL-2.0``Nodejs`
Simplified file servers for sharing of one-time/short-lived/temporary files, providing single-click or [drag-and-drop](https://en.wikipedia.org/wiki/Drag_and_drop) updload functionality.
- [ass](https://github.com/tycrek/ass) - The superior self-hosted ShareX server. For use with clients such as ShareX (Windows), Flameshot (Linux), & MagicCap (Linux, macOS). `ISC``Nodejs`
- [Files Sharing](https://github.com/axeloz/filesharing) - Open Source and self-hosted files sharing application based on unique and temporary links. `GPL-3.0``PHP`
- [FileShelter](https://github.com/epoupon/fileshelter) - FileShelter is a self-hosted software that allows you to easily share files over the Internet. `GPL-3.0``C++`
- [Gokapi](https://github.com/Forceu/gokapi) - Lightweight server to share files, which expire after a set amount of downloads or days. Similar to the discontinued Firefox Send, with the difference that only the admin is allowed to upload files. `GPL-3.0``Go`
- [GoSƐ](https://github.com/stv0g/gose) - GoSƐ is a modern file-uploader focusing on scalability and simplicity. It only depends on a S3 storage backend and hence scales horizontally without the need for additional databases or caches. ([Demo](https://gose.0l.de)) `Apache-2.0``Go`
- [Jirafeau](https://gitlab.com/mojo42/Jirafeau) - Jirafeau is a web site permitting to upload a file in a simple way and give an unique link to it. ([Demo](https://jirafeau.net/)) `AGPL-3.0``PHP`
- [Kleeja](https://kleeja.net/) - File Upload/sharing application, used by thousands of webmasters since 2007. ([Source Code](https://github.com/kleeja-official/kleeja)) `GPL-2.0``PHP`
- [PicoShare](https://pico.rocks) - A minimalist, easy-to-host service for sharing images and other files. ([Demo](https://demo.pico.rocks), [Source Code](https://github.com/mtlynch/picoshare)) `AGPL-3.0``Go`
- [Picsur](https://github.com/rubikscraft/Picsur) - A simple imaging hosting playtfom that allows you to easily host, edit, and share images. `GPL-3.0``Docker`
- [PictShare](https://www.pictshare.net/) - PictShare is a multi lingual, open source image hosting service with a simple resizing and upload API. ([Source Code](https://github.com/HaschekSolutions/pictshare)) `Apache-2.0``PHP`
- [Pingvin Share](https://github.com/stonith404/pingvin-share) - A self-hosted file sharing platform that combines lightness and beauty, perfect for seamless and efficient file sharing. ([Demo](https://pingvin-share.dev.eliasschneider.com)) `BSD-2-Clause``Docker/Nodejs`
- [ProjectSend](https://www.projectsend.org/) - Upload files and assign them to specific clients you create. Give access to those files to your clients. ([Source Code](https://github.com/projectsend/projectsend)) `GPL-2.0``PHP`
- [Share](https://github.com/MrDemonWolf/share) - Simple yet advanced uploader - upload files, images and text with moderation tools for admins. Can be used for friends and family or just for you. Integration with ShareX and more. `MIT``Nodejs`
- [Sharry](https://github.com/eikek/sharry) - Share files easily over the internet between authenticated and anonymous users (both ways) with resumable up- and downloads. `GPL-3.0``Scala/Java`
- [Snapdrop](https://snapdrop.net/) - Local file sharing in your browser. Inspired by Apple's Airdrop. ([Source Code](https://github.com/RobinLinus/snapdrop)) `GPL-3.0-only``Docker`
- [Void](https://github.com/AlphaNecron/Void) - Lightweight, fast and elegant file hosting service for ShareX with Web UI and REST API. ([Source Code](https://github.com/AlphaNecron/Void/)) `MIT``Nodejs`
- [XBackBone](https://xbackbone.app/) - A simple, fast and lightweight file manager with instant sharing tools integration, like ShareX (a free and open-source screenshot utility for Windows). ([Source Code](https://github.com/SergiX44/XBackBone)) `AGPL-3.0``PHP`
- [Zipline](https://github.com/diced/zipline) - A lightweight, fast and reliable file sharing server that is commonly used with ShareX, offering a react-based Web UI and fast API. `MIT``Nodejs`
- [Apaxy](https://oupala.github.io/apaxy/) - Theme built to enhance the experience of browsing web directories, using the mod_autoindex Apache module and some CSS to override the default style of a directory listing. ([Source Code](https://github.com/oupala/apaxy)) `GPL-3.0``HTML`
- [copyparty](https://github.com/9001/copyparty) - Portable file server with accelerated resumable uploads, deduplication, WebDAV, FTP, zeroconf, media indexer, video thumbnails, audio transcoding, and write-only folders, in a single file with no mandatory dependencies. ([Demo](https://a.ocv.me/pub/demo/)) `MIT``Python`
- [DirectoryLister](https://www.directorylister.com/) - Simple PHP based directory lister that lists a directory and all its sub-directories and allows you to navigate there within. ([Source Code](https://github.com/DirectoryLister/DirectoryLister)) `MIT``PHP`
- [filebrowser](https://filebrowser.org/) - Web File Browser with a Material Design web interface. ([Source Code](https://github.com/filebrowser/filebrowser)) `Apache-2.0``Go`
- [FileGator](https://filegator.io/) - FileGator is a powerful multi-user file manager with a single page front-end. ([Demo](https://demo.filegator.io), [Source Code](https://github.com/filegator/filegator)) `MIT``PHP`
- [Filestash](https://www.filestash.app/) - A web file manager that lets you manage your data anywhere it is located: FTP, SFTP, WebDAV, Git, S3, Minio, Dropbox, or Google Drive . ([Demo](https://demo.filestash.app/), [Source Code](https://github.com/mickael-kerjean/filestash)) `AGPL-3.0``Go`
- [ResourceSpace](https://www.resourcespace.com) - ResourceSpace open source digital asset management software is the simple, fast, and free way to organise your digital assets. ([Demo](https://www.resourcespace.com/trial), [Source Code](https://www.resourcespace.com/svn)) `BSD-4-Clause``PHP`
- [TagSpaces](https://www.tagspaces.org/) - TagSpaces is an offline, cross-platform file manager and organiser that also can function as a note taking app. The WebDAV version of the application can be installed on top of a WebDAV servers such as Nextcloud or ownCloud. ([Demo](https://demo.tagspaces.com), [Source Code](https://github.com/tagspaces/tagspaces)) `AGPL-3.0``Nodejs`
- [A Dark Room](https://github.com/doublespeakgames/adarkroom) - Minimalist text adventure game for your browser. ([Demo](https://adarkroom.doublespeakgames.com/)) `MPL-2.0``HTML5`
- [EmuLinkerSF](https://emulinker.org) - EmuLinkerSF is an open source Kaillera server. Kaillera is a client/server system that any emulator can implement to enable netplay over the Internet. ([Source Code](https://github.com/God-Weapon/EmuLinkerSF)) `GPL-2.0``Java`
- [Lila](https://lichess.org/) - The forever free, adless and open source chess server powering lichess.org, with official iOS and Android client apps. ([Source Code](https://github.com/ornicar/lila)) `AGPL-3.0``Scala`
- [Minetest](https://www.minetest.net/) - An open source voxel game engine. Play one of our many games, mod a game to your liking, make your own game, or play on a multiplayer server. ([Source Code](https://github.com/minetest/minetest)) `LGPL-2.1/MIT/Zlib``C++`
- [MTA:SA](https://multitheftauto.com/) `⚠` - Multi Theft Auto (MTA) is a software project that adds network play functionality to Rockstar North's Grand Theft Auto game series, in which this functionality is not originally found. ([Source Code](https://github.com/multitheftauto/mtasa-blue)) `GPL-3.0``C++`
- [piqueserver](https://github.com/piqueserver/piqueserver) - Server for openspades, the first-person shooter in a destructible voxel world. ([Clients](https://github.com/yvt/openspades)) `GPL-3.0``Python/C++`
- [Quizmaster](https://github.com/nymanjens/quizmaster) - A web-app for conducting a quiz, including a page for players to enter their answers. `Apache-2.0``Scala`
- [The Battle for Wesnoth](https://github.com/wesnoth/wesnoth) - The Battle for Wesnoth is an Open Source, turn-based tactical strategy game with a high fantasy theme, featuring both singleplayer and online/hotseat multiplayer combat. `GPL-2.0``C++`
- [Word Mastermind](https://github.com/clupasq/word-mastermind) - Wordle clone. A Mastermind-like game, but instead of colors you need to guess words. ([Demo](https://word-mastermind.glitch.me/)) `MIT``Nodejs`
- [Wordle](https://reactle.vercel.app/) - An Open Source Wordle game. Guess the Wordle in six tries. Each guess must be a valid five-letter word. ([Source Code](https://github.com/cwackerfuss/react-wordle)) `MIT``Nodejs`
- [Zero-K](https://zero-k.info/) - Open Source on Springrts engine. Zero-K is a traditional real time strategy game with a focus on player creativity through terrain manipulation, physics, and a large roster of unique units - all while being balanced to support competitive play. ([Source Code](https://github.com/ZeroK-RTS/Zero-K)) `GPL-2.0``Lua`
- [ARRCON](https://github.com/radj307/ARRCON) - Terminal-based RCON client compatible with any game servers using the Source RCON Protocol. `GPL-3.0``C++`
- [EasyWI](https://easy-wi.com) - Easy-Wi is a Web-interface that allows you to manage server daemons like gameservers. In addition it provides you with a CMS which includes a fully automated game- and voiceserver lending service. ([Source Code](https://github.com/easy-wi/developer/)) `GPL-3.0``PHP/Bash`
- [Lancache](https://lancache.net) `⚠` - LAN Party game caching made easy. ([Source Code](https://github.com/lancachenet/monolithic)) `MIT``Docker/Shell`
- [LinuxGSM](https://linuxgsm.com/) - CLI tool for deployment and management of dedicated game servers on Linux: more than 120 games are supported. ([Source Code](https://github.com/GameServerManagers/LinuxGSM)) `MIT``Shell`
- [Pterodactyl](https://pterodactyl.io/) - Management panel for game servers, with an intuitive UI for end users. ([Source Code](https://github.com/pterodactyl/panel)) `MIT``PHP`
- [PufferPanel](https://www.pufferpanel.com/) - PufferPanel is an open source game server management panel, designed for both small networks and game server providers. ([Source Code](https://github.com/pufferpanel/pufferpanel)) `Apache-2.0``Go`
- [RconCli](https://github.com/gorcon/rcon-cli) - CLI for executing queries on a remote Valve Source dedicated server using the RCON Protocol. `MIT``Go`
- [SourceBans++](https://sbpp.dev/) - Admin, ban, and communication management system for games running on the Source engine. ([Source Code](https://github.com/sbpp/sourcebans-pp)) `CC-BY-SA-4.0``PHP`
- [Genea.app](https://www.genea.app/) - Genea is a privacy by design and open source tool anyone can use to author or edit their family tree. Data is stored in the GEDCOM format and all processing is done in the browser. ([Source Code](https://github.com/genea-app/genea-app)) `MIT``Javascript`
- [GeneWeb](https://geneweb.tuxfamily.org/wiki/GeneWeb) - GeneWeb is an open source genealogy software written in OCaml. It comes with a Web interface and can be used off-line or as a Web service. ([Demo](https://demo.geneweb.tuxfamily.org/gw7/), [Source Code](https://github.com/geneweb/geneweb)) `GPL-2.0``OCaml`
- [Gramps Web](https://gramps-project.github.io/web/) - Web app for collaborative genealogy, based on and interoperable with Gramps, the open source genealogy desktop application. ([Demo](https://gramps-project.github.io/web/), [Source Code](https://github.com/gramps-project/gramps-webapi)). `AGPL-3.0``Docker`
Collaborative software or [groupware](https://en.wikipedia.org/wiki/Collaborative_software) is designed to help people working on a common task to attain their goals. Groupware often regroups multiple services such as file sharing, calendar/events management, address books... in a single, integrated application.
- [Citadel](https://www.citadel.org/) - Groupware including email, calendar/scheduling, address books, forums, mailing lists, IM, wiki and blog engines, RSS aggregation and more. ([Source Code](https://www.citadel.org/source.html)) `GPL-3.0``C`
- [Corteza](https://cortezaproject.org) - CRM including a unified workspace, enterprise messaging and a low code environment for rapidly and securely delivering records-based management solutions. ([Demo](https://latest.cortezaproject.org), [Source Code](https://github.com/cortezaproject/corteza-server)) `Apache-2.0``Go`
- [Cozy Cloud](https://cozy.io/) - Personal cloud where you can manage and sync your contact, files and calendars, and manage your budget with an app store full of community contributions. ([Source Code](https://github.com/cozy/)) `GPL-3.0``Nodejs`
- [egroupware](https://www.egroupware.org/) - Software suite including calendars, address books, notepad, project management tools, client relationship management tools (CRM), knowledge management tools, a wiki and a CMS. ([Source Code](https://github.com/EGroupware/egroupware)) `GPL-2.0``PHP`
- [EspoCRM](https://www.espocrm.com/) - CRM with a frontend designed as a single page application, and a REST API. ([Demo](https://demo.espocrm.com/), [Source Code](https://github.com/espocrm/espocrm)) `GPL-3.0``PHP`
- [Group Office](https://www.group-office.com) - Group-Office is an enterprise CRM and groupware tool. Share projects, calendars, files and e-mail online with co-workers and clients. ([Source Code](https://github.com/Intermesh/groupoffice/)) `AGPL-3.0``PHP`
- [Horde](https://www.horde.org/) - The Horde Project is about creating high quality Open Source applications and libraries, based on PHP and the Horde Framework. ([Demo](http://demo.horde.org/login.php), [Source Code](https://github.com/horde/base)) `GPL-2.0``PHP`
- [HRCloud2](https://github.com/zelon88/HRCloud2) - Full-featured home hosted Cloud Drive, Personal Assistant, App Launcher, File Converter, Streamer, Share Tool and more. `GPL-3.0``PHP`
- [Kolab](https://kolab.org/) - Kolab community is a unified communication and collaboration system. ([Source Code](https://git.kolab.org/)) `GPL-2.0/LGPL-2.1/GPL-3.0``C++/Python/PHP`
- [Openmeetings](https://openmeetings.apache.org/index.html) - Openmeetings provides video conferencing, instant messaging, white board, collaborative document editing and other groupware tools using API functions of the Red5 Streaming Server for Remoting and Streaming. ([Source Code](https://openmeetings.apache.org/scm.html)) `Apache-2.0``Java`
- [SOGo](https://www.sogo.nu/) - SOGo offers multiple ways to access the calendaring and messaging data. CalDAV, CardDAV, GroupDAV, as well as ActiveSync, including native Outlook compatibility and Web interface. ([Demo](https://demo.sogo.nu/SOGo/), [Source Code](https://github.com/inverse-inc/sogo)) `LGPL-2.1``Objective-C`
- [Tracim](https://github.com/tracim/tracim) - Collaborative Platform for team collaboration: file,threads,notes,agenda,etc. `AGPL-3.0/LGPL-3.0/MIT``Python`
- [Zimbra Collaboration](https://www.zimbra.com/) - Email, calendar, collaboration server with Web interface and lots of integrations. ([Source Code](https://github.com/zimbra)) `GPL-2.0/CPAL-1.0``Java`
A [human resources management system](https://en.wikipedia.org/wiki/Human_resource_management_system) combines a number of systems and processes to ensure the easy management of [human resources](https://en.wikipedia.org/wiki/Human_resources), business processes and data.
- [admidio](https://www.admidio.org/) - Admidio is a free open source user management system for websites of organizations and groups. The system has a flexible role model so that it’s possible to reflect the structure and permissions of your organization. ([Demo](https://www.admidio.org/demo/), [Source Code](https://github.com/Admidio/admidio)) `GPL-2.0``PHP`
- [OrangeHRM](https://www.orangehrm.com/) - OrangeHRM is a comprehensive HRM system that captures all the essential functionalities required for any enterprise. ([Demo](https://opensource-demo.orangehrmlive.com/), [Source Code](https://github.com/orangehrm/orangehrm)) `GPL-2.0``PHP`
- [TimeOff.Management](https://timeoff.management) - Simple yet powerful absence management software for small and medium size business. ([Demo](https://app.timeoff.management), [Source Code](https://github.com/timeoff-management/timeoff-management-application)) `MIT``Nodejs`
[Internet of Things](https://en.wikipedia.org/wiki/Internet_of_things) describes physical objects with sensors, processing ability, software, and other technologies that connect and exchange data with other devices over the Internet.
- [DeviceHive](https://www.devicehive.com/) - Open Source IoT Platform with a wide range of integration options. ([Demo](https://playground.devicehive.com/), [Source Code](https://github.com/devicehive/devicehive-java-server)) `Apache-2.0``Java`
- [Domoticz](https://www.domoticz.com/) - Home Automation System that lets you monitor and configure various devices like: Lights, Switches, various sensors/meters like Temperature, Rain, Wind, UV, Electra, Gas, Water and much more. ([Source Code](https://github.com/domoticz/domoticz), [Clients](https://github.com/domoticz/domoticz-android)) `GPL-3.0``C/C++`
- [EMQX](https://www.emqx.io/) - An ultra-scalable open-source MQTT broker. Connect 100M+ IoT devices in one single cluster, move and process real-time IoT data with 1M msg/s throughput at 1ms latency. ([Demo](https://www.emqx.com/en/mqtt/public-mqtt5-broker), [Source Code](https://github.com/emqx/emqx)) `Apache-2.0``Docker/Erlang`
- [FHEM](https://fhem.de/fhem.html) - FHEM is used to automate common tasks in the household like switching lamps and heating. It can also be used to log events like temperature or power consumption. You can control it via web or smartphone frontends, telnet or TCP/IP directly. ([Source Code](https://svn.fhem.de/trac)) `GPL-3.0``Perl`
- [Gladys](https://gladysassistant.com/) - Gladys is a privacy-first, open-source home assistant. ([Source Code](https://github.com/GladysAssistant/Gladys)) `Apache-2.0``Nodejs`
- [ioBroker](https://www.iobroker.net/) - Integration platform for the Internet of Things, focused on building automation, smart metering, ambient assisted living, process automation, visualization and data logging. ([Source Code](https://github.com/ioBroker/ioBroker)) `MIT``Nodejs`
- [Node RED](https://nodered.org/) - Browser-based flow editor that helps you wiring hardware devices, APIs and online services to create IoT solutions. ([Source Code](https://github.com/node-red/node-red)) `Apache-2.0``Nodejs`
- [openHAB](https://www.openhab.org) - Vendor and technology agnostic open source software for home automation. ([Source Code](https://github.com/openhab/openhab-core)) `EPL-2.0``Java`
- [WebThings Gateway](https://webthings.io/gateway/) - WebThings is an open source implementation of the Web of Things, including the WebThings Gateway and the WebThings Framework. ([Source Code](https://github.com/WebThingsIO/gateway)) `MPL-2.0``Nodejs`
- [Inventaire](https://inventaire.io/welcome) - Collaborative resources mapper project, while yet only focused on exploring books mapping with wikidata and ISBNs. ([Source Code](https://github.com/inventaire/inventaire)) `AGPL-3.0``Nodejs`
- [Inventree](https://inventree.readthedocs.io/en/latest/) - InvenTree is an open-source inventory management system which provides intuitive parts management and stock control. ([Demo](https://inventree.org/demo), [Source Code](https://github.com/inventree/InvenTree)) `MIT``Python`
- [PartKeepr](https://www.partkeepr.org) - PartKeepr is an electronic part inventory management software. It helps you to keep track of your available parts and assist you with re-ordering parts. ([Demo](https://demo.partkeepr.org/), [Source Code](https://github.com/partkeepr/PartKeepr)) `GPL-3.0``PHP`
[Knowledge management](https://en.wikipedia.org/wiki/Knowledge_management) is the collection of methods relating to creating, sharing, using and managing the knowledge and information.
- [Atomic Server](https://github.com/atomicdata-dev/atomic-data-rust) - Knowledge graph database with documents (similar to Notion), tables, search, and a powerful linked data API. Lightweight, very fast and no runtime dependencies. ([Demo](https://atomicdata.dev/)) `MIT``Docker/Rust`
- [My Mind](https://github.com/ondras/my-mind) - Web application for creating and managing mind maps. ([Demo](https://my-mind.github.io/?url=examples%2Ffeatures.mymind)) `MIT``Javascript`
- [TeamMapper](https://github.com/b310-digital/teammapper) - Host and create your own mindmaps. Share your mindmap sessions with your team and collaborate live on mindmaps. ([Demo](https://map.kits.blog)) `MIT``Docker/Nodejs`
- [Canvas LMS](https://www.instructure.com/canvas/) - Canvas is the trusted, open-source learning management system (LMS) that is revolutionizing the way we educate. ([Demo](https://canvas.instructure.com/register), [Source Code](https://github.com/instructure/canvas-lms)) `AGPL-3.0``Ruby`
- [Chamilo LMS](https://chamilo.org/) - Chamilo LMS allows you to create a virtual campus for the provision of online or semi-online training. ([Source Code](https://github.com/chamilo/chamilo-lms)) `GPL-3.0``PHP`
- [Dalton Plan](https://daltonplan.com) - Dalton Plan is a modern adoption of a free teaching method developed by Helen Parkhurst in the 20th century. ([Source Code](https://git.io/daltonplan)) `AGPL-3.0``PHP`
- [edX](https://www.edx.org/) - The Open edX platform is open-source code that powers edX.org. ([Source Code](https://github.com/edx/)) `AGPL-3.0``Python`
- [Gibbon](https://gibbonedu.org/) - The flexible, open source school management platform designed to make life better for teachers, students, parents and leaders. ([Source Code](https://github.com/GibbonEdu/core)) `GPL-3.0``PHP`
- [ILIAS](https://www.ilias.de) - ILIAS is the Learning Management System that can cope with anything you throw at it. ([Demo](https://demo.ilias.de), [Source Code](https://github.com/ILIAS-eLearning/ILIAS)) `GPL-3.0``PHP`
- [Mahara](https://mahara.org/) - Open Source fully featured web application to build students electronic portfolio. ([Source Code](https://github.com/MaharaProject/mahara)) `GPL-3.0``PHP`
- [Moodle](https://moodle.org/) - Moodle is a learning and courses platform with one of the largest open source communities worldwide. ([Demo](https://moodle.org/demo/), [Source Code](https://git.moodle.org/gw)) `GPL-3.0``PHP`
- [Open eClass](https://www.openeclass.org/) - Open eClass is an advanced e-learning solution that can enhance the teaching and learning process. ([Demo](https://demo.openeclass.org/), [Source Code](https://github.com/gunet/openeclass)) `GPL-2.0``PHP`
- [OpenOLAT](https://www.openolat.com/?lang=en) - OpenOLAT is a web-based learning management system for teaching, education, assessment and communication. ([Demo](https://learn.olat.com), [Source Code](https://github.com/OpenOLAT/OpenOLAT)) `Apache-2.0``Java`
- [RELATE](https://documen.tician.de/relate/) - RELATE is a web-based courseware package, includes features such as: flexible rules, statistics, multi-course support, class calendar. ([Source Code](https://github.com/inducer/relate)) `MIT``Python`
- [RosarioSIS](https://www.rosariosis.org/) - RosarioSIS, free Student Information System for school management. ([Demo](https://www.rosariosis.org/demo/), [Source Code](https://gitlab.com/francoisjacquet/rosariosis/)) `GPL-2.0``PHP`
- [GraphHopper](https://graphhopper.com/) - Fast routing library and server using OpenStreetMap. ([Source Code](https://github.com/graphhopper/graphhopper)) `Apache-2.0``Java`
- [Hauk](https://github.com/bilde2910/Hauk) - Easy to setup location sharing platform that lets you temporarily share your location with anyone in real-time. ([Demo](https://github.com/bilde2910/Hauk#demo-server)) `Apache-2.0``PHP`
- [Open Source Routing Machine (OSRM)](http://project-osrm.org/) - High performance routing engine designed to run on OpenStreetMap data and offering an HTTP API, C++ library interface, and Nodejs wrapper. ([Demo](https://map.project-osrm.org/), [Source Code](https://github.com/Project-OSRM/osrm-backend)) `BSD-2-Clause``C++`
- [OpenGTS](http://www.opengts.org/) - Entry-level fleet tracking system. Supports variety of tracking devices and protocols. Comes with rich web-interface and reporting features. ([Demo](http://track.opengts.org/track/Track), [Source Code](https://sourceforge.net/projects/opengts/files/server-base/)) `Apache-2.0``Java`
- [OpenStreetMap](https://www.openstreetmap.org/) - Collaborative project to create a free editable map of the world. ([Source Code](https://github.com/openstreetmap/openstreetmap-website), [Clients](https://wiki.openstreetmap.org/wiki/Software)) `GPL-2.0``Ruby`
- [OpenTripPlanner](https://www.opentripplanner.org/) - Multimodal trip planning software based on OpenStreetMap data and consuming published GTFS-formatted data to suggest routes using local public transit systems. ([Source Code](https://github.com/opentripplanner/OpenTripPlanner)) `LGPL-3.0``Java/Javascript`
- [OwnTracks Recorder](https://github.com/owntracks/recorder) `⚠` - Store and access data published by [OwnTracks](https://owntracks.org/) location tracking apps. `GPL-2.0``C/Lua`
- [TileServer GL](https://tileserver.readthedocs.io/) - Vector and raster maps with GL styles. Server side rendering by Mapbox GL Native. Map tile server for Mapbox GL JS, Android, iOS, Leaflet, OpenLayers, GIS via WMTS, etc. ([Source Code](https://github.com/maptiler/tileserver-gl)) `BSD-2-Clause``Nodejs`
- [TileServer PHP](https://www.maptiler.com/server/) - Serve map tiles from any PHP hosting. ([Source Code](https://github.com/maptiler/tileserver-php)) `BSD-2-Clause``PHP`
- [Traccar](https://www.traccar.org/) - Java application to track GPS positions. Supports loads of tracking devices and protocols, has an Android and iOS App. Has a web interface to view your trips. ([Demo](https://demo.traccar.org/), [Source Code](https://github.com/traccar)) `Apache-2.0``Java`
- [μlogger](https://github.com/bfabiszewski/ulogger-server) - Collect geolocation from users in real-time and display their GPS tracks on a website. ([Demo](http://ulogger.fabiszewski.net/)) `GPL-3.0``PHP`
[Streaming media](https://en.wikipedia.org/wiki/Streaming_media) is multimedia that is delivered and consumed in a continuous manner from a source, with little or no intermediate storage in network elements.
_See also: [List of streaming media systems - Wikipedia](https://en.wikipedia.org/wiki/List_of_streaming_media_systems), [Comparison of streaming media systems - Wikipedia](https://en.wikipedia.org/wiki/Comparison_of_streaming_media_systems)_
- [Airsonic Advanced](https://github.com/airsonic-advanced/airsonic-advanced) - Open-source web-based media streamer and jukebox based on Airsonic, with several key performance and feature enhancements. `GPL-3.0``Java`
- [Audiobookshelf](https://www.audiobookshelf.org/) - Fully open-source self-hosted audiobook and podcast server. It streams all audio formats, keeps and syncs progress across devices. Comes with open-source apps for Android and iOS. ([Source Code](https://github.com/advplyr/audiobookshelf), [Clients](https://github.com/advplyr/audiobookshelf-app)) `GPL-3.0``Docker/Nodejs`
- [Audioserve](https://github.com/izderadicka/audioserve) - Simple personal server to serve audio files from directories (audiobooks, music, podcasts...). Focused on simplicity and supports sync of play position between clients. `MIT``Rust`
- [AzuraCast](https://www.azuracast.com/) - A modern and accessible self-hosted web radio management suite. ([Source Code](https://github.com/AzuraCast/AzuraCast)) `Apache-2.0``PHP`
- [Beets](https://beets.io/) - Music library manager and MusicBrainz tagger (command-line and Web interface). ([Source Code](https://github.com/beetbox/beets)) `MIT``Python`
- [euterpe](https://listen-to-euterpe.eu) - Self-hosted music streaming server with RESTful API and Web interface. ([Demo](https://listen-to-euterpe.eu/demo), [Source Code](https://github.com/ironsmile/euterpe)) `GPL-3.0``Go`
- [GNU FM](https://gnu.io/fm/) - Running music community websites, alternative to last.fm. ([Source Code](https://git.savannah.gnu.org/cgit/librefm.git/)) `AGPL-3.0``PHP`
- [koel](https://koel.dev/) - Personal music streaming server that works. ([Demo](https://demo.koel.dev/), [Source Code](https://github.com/koel/koel)) `MIT``PHP`
- [LibreTime](https://libretime.org) - Simple, open source platform that lets you broadcast streaming radio on the web (fork of [Airtime](https://github.com/sourcefabric/Airtime)). ([Source Code](https://github.com/LibreTime/libretime)) `AGPL-3.0``PHP`
- [Maloja](https://github.com/krateng/maloja) - Self-hosted music scrobble database, alternative to Last.fm. ([Demo](https://maloja.krateng.ch/)) `GPL-3.0``Python/Docker`
- [moOde Audio](https://moodeaudio.org/) - Audiophile-quality music playback for the wonderful Raspberry Pi family of single board computers. ([Source Code](https://github.com/moode-player/moode)) `GPL-3.0``PHP`
- [Mopidy](https://docs.mopidy.com/) - Extensible music server. Offers a superset of the mpd API, as well as integration with 3rd party services like Spotify, SoundCloud etc. ([Source Code](https://github.com/mopidy/mopidy)) `Apache-2.0``Python`
- [mpd](https://www.musicpd.org/) - Daemon to remotely play music, stream music, handle and organize playlists. Many clients available. ([Source Code](https://github.com/MusicPlayerDaemon/MPD), [Clients](https://www.musicpd.org/clients/)) `GPL-2.0``C++`
- [mStream](https://mstream.io/) - Music streaming server with GUI management tools. Runs on Mac, Windows, and Linux. ([Source Code](https://github.com/IrosTheBeggar/mStream)) `GPL-2.0``Nodejs`
- [Navidrome Music Server](https://www.navidrome.org) - Modern Music Server and Streamer, compatible with Subsonic/Airsonic. ([Demo](https://www.navidrome.org/demo), [Source Code](https://github.com/navidrome/navidrome), [Clients](https://www.navidrome.org/docs/overview/#apps)) `GPL-3.0``Docker/Go`
- [Polaris](https://github.com/agersant/polaris) - Music browsing and streaming application optimized for large music collections, ease of use and high performance. `MIT``Rust`
- [Raveberry](https://github.com/raveberry/raveberry) - A multi-user music server with a focus on participation. ([Demo](https://demo.raveberry.party/)) `LGPL-3.0``Python`
- [Stretto](https://github.com/benkaiser/stretto) - Music player with Youtube/Soundcloud import and iTunes/Spotify discovery. ([Demo](https://next.kaiserapps.com), [Clients](https://github.com/benkaiser/stretto-mobile-next)) `MIT``Nodejs`
- [SwingMusic](https://swingmusic.vercel.app/) - Swing Music is a beautiful, self-hosted music player and streaming server for your local audio files. Like a cooler Spotify ... but bring your own music. ([Source Code](https://github.com/swing-opensource/swingmusic)) `MIT``Python`
- [Volumio](https://volumio.com/) - A free and open source linux distribution, designed and fine-tuned exclusively for music playback. ([Source Code](https://github.com/volumio/Volumio2)) `GPL-3.0``Nodejs`
- [Dim](https://github.com/Dusk-Labs/dim) - Dim is a self-hosted media manager fueled by dark forces. With minimal setup, Dim will organize and beautify your media collections, letting you access and play them anytime from anywhere. `GPL-2.0``Rust`
- [Gerbera](https://gerbera.io/) - Gerbera is an UPnP Media Server. It allows you to stream your digital media throughout your home network and listen to/watch it on a variety of UPnP compatible devices. ([Source Code](https://github.com/gerbera/gerbera)) `GPL-2.0``C++`
- [homehost](https://github.com/ridhwaans/homehost) `⚠` - Self-hosted React + Redux app that streams your media collection (music, movies, books, podcasts, comics etc). `MIT``Nodejs`
- [Icecast 2](https://icecast.org) - Streaming audio/video server which can be used to create an Internet radio station or a privately running jukebox and many things in between. ([Source Code](https://gitlab.xiph.org/xiph/icecast-server), [Clients](https://icecast.org/apps/)) `GPL-2.0``C`
- [Jellyfin](https://jellyfin.org) - Media server for audio, video, books, comics, and photos with a sleek interface and robust transcoding capabilities. Almost all modern platforms have clients, including Roku, Android TV, iOS, and Kodi. ([Demo](https://demo.jellyfin.org/stable), [Source Code](https://github.com/jellyfin/jellyfin)) `GPL-2.0``C#`
- [Karaoke Eternal](https://www.karaoke-eternal.com) - Host awesome karaoke parties where everyone can easily find and queue songs from their phone's browser. The player is also fully browser-based with support for MP3+G, MP4 and WebGL visualizations. ([Source Code](https://www.karaoke-eternal.com/repo)) `ISC``Nodejs`
- [Kodi](https://kodi.tv/) - Multimedia/Entertainment center, formerly known as XBMC. Runs on Android, BSD, Linux, macOS, iOS and Windows. ([Source Code](https://github.com/xbmc/xbmc)) `GPL-2.0``C++`
- [LBRY](https://lbry.com/) - Is a secure, open, and community-run digital marketplace that aims to replace Youtube and Amazon. ([Demo](https://lbry.tv/), [Source Code](https://github.com/lbryio/lbry.com), [Clients](https://github.com/lbryio/lbry-desktop)) `MIT``PHP`
- [MistServer](https://mistserver.org/) - Streaming media server that works well in any streaming environment. ([Source Code](https://github.com/DDVTECH/mistserver)) `AGPL-3.0``C++`
- [NymphCast](http://nyanko.ws/nymphcast.php) - NymphCast is a Chromecast alternative which turns your choice of Linux-capable hardware into an audio and video source for a television or powered speakers. ([Source Code](https://github.com/MayaPosch/NymphCast)) `BSD-3-Clause``C++`
- [Podify](https://www.podify.org/) - Allows you to download videos and audio from any source supported by youtube-dl and subscribe to and watch these downloads using your favorite podcast app. ([Source Code](https://github.com/podify-org/podify/)) `GPL-3.0``Ruby`
- [ReadyMedia](https://sourceforge.net/projects/minidlna/) - Simple media server software, with the aim of being fully compliant with DLNA/UPnP-AV clients. Formerly known as MiniDLNA. ([Source Code](https://sourceforge.net/p/minidlna/git/ci/master/tree/)) `GPL-2.0``C`
- [Rygel](https://wiki.gnome.org/action/show/Projects/Rygel) - Rygel is a UPnP AV MediaServer that allows you to easily share audio, video, and pictures. Media player software may use Rygel to become a MediaRenderer that may be controlled remotely by a UPnP or DLNA Controller. ([Source Code](https://gitlab.gnome.org/GNOME/rygel/)) `GPL-3.0``C`
- [SheetAble](https://sheetable.net) - Self-hosted music sheet organizing software for all music enthusiasts. Upload and organize your sheets for any kind of instrument. ([Source Code](https://github.com/SheetAble/SheetAble)) `AGPL-3.0``Go`
- [Stash](https://stashapp.cc) - A web-based library organizer and player for your adult media stash, with auto-tagging and metadata scraping support. ([Source Code](https://github.com/stashapp/stash)) `AGPL-3.0``Go`
- [µStreamer](https://github.com/pikvm/ustreamer) - Lightweight and very quick server to stream MJPEG video from any V4L2 device to the net. `GPL-3.0``C`
- [üWave](https://u-wave.net/) `⚠` - Self-hosted collaborative listening platform. Users take turns playing media—songs, talks, gameplay videos, or anything else—from a variety of media sources like YouTube and SoundCloud. ([Demo](https://wlk.yt/), [Source Code](https://github.com/u-wave)) `MIT``Nodejs`
- [Bluecherry](https://www.bluecherrydvr.com/) - Closed-circuit television (CCTV) software application which supports IP and Analog cameras. ([Source Code](https://github.com/bluecherrydvr/bluecherry-apps)) `GPL-2.0``PHP`
- [CyTube](https://github.com/calzoneman/sync) - CyTube is a web application providing media synchronization, chat, and more for an arbitrary number of channels. ([Demo](https://cytu.be)) `MIT``Nodejs`
- [Invidious](https://github.com/iv-org/invidious) `⚠` - Invidious is an alternative front-end to YouTube. ([Demo](https://docs.invidious.io/instances/)) `AGPL-3.0``Crystal`
- [Kerberos.io](https://kerberos.io) - Kerberos.io is a video surveillance solution, which works with any camera and on every Linux based machine (Raspberry Pi, Docker, Kubernetes cluster). ([Demo](https://demo.kerberos.io/), [Source Code](https://github.com/kerberos-io/agent)) `MIT``Docker`
- [MediaCMS](https://mediacms.io) - MediaCMS is a modern, fully featured open source video and media CMS, written in Python/Django/React, featuring a REST API. ([Source Code](https://github.com/mediacms-io/mediacms)) `AGPL-3.0``Python/Docker`
- [Oblecto](https://github.com/robinp7720/Oblecto) `⚠` - Media server for Movies and TV Shows with a responsive Vue.js frontend. It has robust transcoding support as well as federation capabilities to share your library with your friends. `AGPL-3.0``Nodejs`
- [Oddworks](https://gitlab.com/oddnetworks/oddworks/core) - Oddworks is an open source video distribution platform built to destroy the barriers to streaming television with SDKs for Roku, Apple iOS/tvOS, Google Android, and Amazon FireTV. `MIT``Nodejs`
- [Open Streaming Platform](https://openstreamingplatform.com) - Self-Hosted alternative to Twitch and Youtube Live for live and on-demand video streaming. ([Source Code](https://gitlab.com/Deamos/flask-nginx-rtmp-manager)) `MIT``Python`
- [OvenMediaEngine](https://ovenmediaengine.com) - OvenMediaEngine is a selfhostable Open-Source Streaming Server with Sub-Second Latency. ([Demo](https://demo.ovenplayer.com), [Source Code](https://github.com/AirenSoft/OvenMediaEngine)) `GPL-3.0``C++`
- [Owncast](https://github.com/owncast/owncast) - Owncast is an open source, self-hosted, decentralized, single user live video streaming and chat server for running your own live streams similar in style to the large mainstream options. `MIT``Go`
- [PeerTube](https://joinpeertube.org/en/) - Decentralized video streaming platform using P2P (BitTorrent) directly in the web browser. ([Source Code](https://github.com/Chocobozzz/PeerTube)) `AGPL-3.0``Nodejs`
- [Radium](https://github.com/Zibbp/Radium) - Synced stream and video playback with VOD capabilities utilizing HLS. Developed for movie nights but has many use cases. `MIT``Nodejs/Docker`
- [Rapidbay](https://github.com/hauxir/rapidbay/) - Self-hosted torrent videostreaming service/torrent client that allows searching and playing videos from torrents in the browser or from a Chromecast/AppleTV/Smart TV. `MIT``Python/Docker`
- [Restreamer](https://datarhei.github.io/restreamer/) - Restreamer allows you to do h.264 real-time video streaming on your website without a streaming provider. ([Source Code](https://github.com/datarhei/restreamer)) `Apache-2.0``Nodejs/Docker`
- [ShinobiCE](https://gitlab.com/Shinobi-Systems/ShinobiCE) - Open Source CCTV software written in Node with both IP and local camera support. `AGPL-3.0/GPL-3.0``Nodejs`
- [SRS](https://ossrs.io/) - A simple, high efficiency and real-time video server, supports RTMP, WebRTC, HLS, HTTP-FLV and SRT. ([Source Code](https://github.com/ossrs/srs)) `MIT``Docker/C++`
- [SyncTube](https://github.com/RblSb/SyncTube) - Lightweight and very simple to setup CyTube alternative to watch videos with friends and chat. `MIT``Nodejs/Haxe`
- [Tube](https://git.mills.io/prologic/tube) - Youtube-like (_without censorship and features you don't need!_) Video Sharing App written in Go which also supports automatic transcoding to MP4 H.265 AAC, multiple collections and RSS feed. ([Demo](https://tube.mills.io)) `MIT``Go`
- [VideoLAN Client (VLC)](https://www.videolan.org/) - Cross-platform multimedia player client and server supporting most multimedia files as well as DVDs, Audio CDs, VCDs, and various streaming protocols. ([Source Code](https://github.com/videolan/vlc)) `GPL-2.0``C`
- [Zoneminder](https://www.zoneminder.com/) - Closed-circuit television (CCTV) software application which supports IP, USB and Analog cameras. ([Source Code](https://github.com/ZoneMinder/ZoneMinder)) `GPL-2.0``PHP`
- [2FAuth](https://github.com/Bubka/2FAuth) - A web app to manage your Two-Factor Authentication (2FA) accounts and generate their security codes. ([Demo](https://demo.2fauth.app/)) `AGPL-3.0``PHP`
- [Anchr](https://anchr.io) - Anchr is a toolbox for tiny tasks on the internet, including bookmark collections, URL shortening and (encrypted) image uploads. ([Source Code](https://github.com/muety/anchr)) `GPL-3.0``Nodejs`
- [Apache Solr](https://lucene.apache.org/solr/) - Solr is the popular, blazing-fast, open source enterprise search platform built on Apache Lucene. ([Source Code](https://lucene.apache.org/solr/downloads.html)) `Apache-2.0``Java`
- [asciinema](https://github.com/asciinema/asciinema-server) - Web app for hosting asciicasts. ([Demo](https://asciinema.org/)) `Apache-2.0``Elixir/Docker`
- [CapRover](https://caprover.com/) - Build your own PaaS in a few minutes. ([Demo](https://captain.server.demo.caprover.com/#/login), [Source Code](https://github.com/caprover/caprover)) `Apache-2.0``Docker/Nodejs`
- [Cloudlog](https://magicbug.co.uk/cloudlog/) - Cloudlog is a self-hosted PHP application that allows you to log your amateur radio contacts anywhere. ([Source Code](https://github.com/magicbug/cloudlog)) `MIT``PHP`
- [CUPS](https://www.cups.org/) - The Common Unix Print System uses Internet Printing Protocol (IPP) to support printing to local and network printers. ([Source Code](https://github.com/apple/cups)) `GPL-2.0``C`
- [CyberChef](https://github.com/gchq/CyberChef) - Perform all manner of operations within a web browser such as AES, DES and Blowfish encryption and decryption, creating hexdumps, calculating hashes, and much more. ([Demo](https://gchq.github.io/CyberChef)) `Apache-2.0``Javascript`
- [DailyTxT](https://github.com/PhiTux/DailyTxT) - Encrypted Diary Web-App to save your personal memories of each day. Includes a search-function and encrypted file-upload. `MIT``Python`
- [DomainMOD](https://domainmod.org) - Application to manage your domains and other internet assets in a central location. DomainMOD includes a Data Warehouse framework that allows you to import your WHM/cPanel web server data so that you can view, export, and report on your data. ([Demo](https://demo.domainmod.org), [Source Code](https://github.com/domainmod/domainmod)) `GPL-3.0``PHP`
- [DOMJudge](https://www.domjudge.org/) - A system for running a programming contest, like the ICPC regional and world championship programming contests. ([Demo](https://www.domjudge.org/demo), [Source Code](https://github.com/DOMjudge/domjudge)) `GPL-2.0/BSD-3-Clause/MIT``PHP`
- [F-Droid](https://f-droid.org) - Server tools for maintaining an F-Droid repository system. ([Source Code](https://gitlab.com/fdroid/fdroidserver)) `AGPL-3.0``Python/Docker`
- [google-webfonts-helper](https://github.com/majodev/google-webfonts-helper) `⚠` - Hassle-Free Way to Self-Host Google Fonts. Get eot, ttf, svg, woff and woff2 files + CSS snippets. ([Demo](https://gwfh.mranftl.com/fonts)) `MIT``Nodejs`
- [IconCaptcha](https://www.fabianwennink.nl/projects/IconCaptcha/) - IconCaptcha is a self-hosted, fast, simple and user-friendly captcha for PHP. ([Source Code](https://github.com/fabianwennink/IconCaptcha-Plugin-jQuery-PHP)) `MIT``PHP`
- [King Phisher](https://github.com/rsmusllp/king-phisher) - King Phisher is a tool for testing and promoting user awareness by simulating real world phishing attacks. `BSD-3-Clause``Python`
- [Koillection](https://koillection.github.io/) - Koillection is a service allowing users to manage any kind of collections. ([Source Code](https://github.com/koillection/koillection)) `MIT``PHP`
- [Lama-Cleaner](https://github.com/Sanster/lama-cleaner) `⚠` - A free and open-source inpainting tool powered by SOTA AI model. `Apache-2.0``Python/Docker`
- [MailyGo](https://codeberg.org/jlelse/MailyGo) - MailyGo is a small tool written in Go that allows to send HTML forms, for example from static websites without a dynamic backend, via email. `MIT``Go`
- [Monica](https://monicahq.com/) - Personal relationship manager, and a new kind of CRM to organize interactions with your friends and family. ([Source Code](https://github.com/monicahq/monica)) `AGPL-3.0``PHP`
- [mosparo](https://mosparo.io/) - The modern spam protection tool. It replaces other captcha methods with a simple and easy to use spam protection solution. ([Source Code](https://github.com/mosparo/mosparo)) `MIT``PHP`
- [Musical Artifacts](https://musical-artifacts.com/) - Helping to catalog, preserve and free the artifacts you need to produce music. ([Source Code](https://github.com/lfzawacki/musical-artifacts)) `MIT``Ruby`
- [Noisedash](https://github.com/kaythomas0/noisedash) - Self-hostable web tool for generating ambient noises/sounds using audio tools and user-uploadable samples. `AGPL-3.0``Nodejs`
- [Notica](https://notica.us) - Lets you send browser notifications from your terminal to your desktop or phone. No installation or registration is required. ([Source Code](https://github.com/tannercollin/Notica)) `MIT``Nodejs`
- [Octave Online](https://octave-online.net/) - Infrastracture behind a web UI for GNU Octave, the libre alternative to MATLAB. ([Source Code](https://github.com/octave-online/octave-online-server)) `AGPL-3.0``Docker/Nodejs`
- [Ombi](https://ombi.io/) - A content request system for Plex/Emby, connects to SickRage, CouchPotato, Sonarr, with a growing feature set. ([Demo](https://app.ombi.io/), [Source Code](https://github.com/Ombi-app/Ombi)) `GPL-2.0``C#`
- [OpenZiti](https://openziti.github.io/) - Fully-featured, self-hostable, zero trust, full mesh overlay network. Includes a 2FA support out of the box, clients for all major desktop/mobile OS'es. ([Source Code](https://github.com/openziti/ziti)) `Apache-2.0``Go`
- [Orchest](https://www.orchest.io/) - A new kind of IDE for Data Science. ([Demo](https://cloud.orchest.io), [Source Code](https://github.com/orchest/orchest)) `AGPL-3.0``Docker`
- [OS.js](https://www.os-js.org/) - Desktop implementation for your browser with a fully-fledged window manager, Application APIs, GUI toolkits and filesystem abstraction. ([Demo](https://demo.os-js.org/), [Source Code](https://github.com/os-js/OS.js)) `BSD-2-Clause``Nodejs`
- [OTS-Share](https://github.com/rpgeeganage/ots-share-app) - A self-hosting app to share secrets with file support upto 1MB. ([Source Code](https://github.com/rpgeeganage/ots-share-app)) `MIT``Docker`
- [Overseerr](https://overseerr.dev/) `⚠` - Overseerr is a free and open source software application for managing requests for your media library. It integrates with your existing services, such as Sonarr, Radarr, and Plex!. ([Source Code](https://github.com/sct/overseerr)) `MIT``Docker`
- [PassCheck](https://passcheck.anhur.xyz/) - A web application featuring some handy password tools, including a password generator, strength checker and HaveIBeenPwned breach checker. ([Source Code](https://github.com/apacketofsweets/PassCheck)) `MIT``Javascript`
- [Revive Adserver](https://www.revive-adserver.com/) - World's most popular free, open source ad serving system. Formerly known as OpenX Adserver and phpAdsNew. ([Source Code](https://github.com/revive-adserver/revive-adserver)) `GPL-2.0-or-later``PHP`
- [SANE Network Scanning](http://sane-project.org/) - Allow remote clients to access image acquisition devices (scanners) available on the local host. ([Source Code](http://www.sane-project.org/cvs.html)) `GPL-2.0``C`
- [Teleport](https://goteleport.com/) - Certificate authority and access plane for SSH, Kubernetes, web applications, and databases. ([Source Code](https://github.com/gravitational/teleport)) `Apache-2.0``Go`
- [ViMbAdmin](https://www.vimbadmin.net/) - Provides a web based virtual mailbox administration system to allow mail administrators to easily manage domains, mailboxes and aliases. ([Source Code](https://github.com/opensolutions/ViMbAdmin)) `GPL-3.0``PHP`
- [Wallabag](https://www.wallabag.org) - Wallabag, formerly Poche, is a web application allowing you to save articles to read them later with improved readability. ([Source Code](https://github.com/wallabag/wallabag)) `MIT``PHP`
- [WeeWX](https://weewx.com/) - Open source software for your weather station. ([Demo](https://weewx.com/showcase.html), [Source Code](https://github.com/weewx/weewx)) `GPL-3.0``Python`
- [Actual](https://actualbudget.github.io/docs/) - Actual is a local-first personal finance tool based on zero-sum budgeting. It support synchronization across devices, custom rules, manual transaction importing (from QIF, OFX, and QFX files), and optional automatic synchronization with many banks. ([Source Code](https://github.com/actualbudget/actual-server)) `MIT``Nodejs`
- [Akaunting](https://akaunting.com/) - Akaunting is a free, online and open source accounting software designed for small businesses and freelancers. ([Source Code](https://github.com/akaunting/akaunting)) `GPL-3.0``PHP`
- [BitcartCC](https://bitcartcc.com) - A self-hosted cryptocurrencies payment processor and development platform. ([Demo](https://admin.bitcartcc.com), [Source Code](https://github.com/bitcartcc)) `MIT``Docker/Python/Nodejs`
- [EasyQuickImport](https://github.com/karser/EasyQuickImport) `⚠` - A tool that helps you import transactions, invoices and bills into QuickBooks Desktop from Excel or CSV. `MIT``PHP`
- [Fava](https://beancount.github.io/fava/) - Fava is the web frontend of Beancount, a text based double-entry accounting system. ([Demo](https://fava.pythonanywhere.com/example-with-budgets/income_statement/), [Source Code](https://github.com/beancount/fava)) `MIT``Python`
- [Firefly III](https://firefly-iii.org/) - Firefly III is a modern financial manager. It helps you to keep track of your money and make budget forecasts. It supports credit cards, has an advanced rule engine and can import data from many banks. ([Demo](https://demo.firefly-iii.org/), [Source Code](https://github.com/firefly-iii/firefly-iii)) `AGPL-3.0``PHP`
- [Galette](https://galette.eu/dc/) - Galette is a membership management web application towards non profit organizations. ([Source Code](https://git.tuxfamily.org/galette/galette.git/)) `GPL-3.0``PHP`
- [Hub20](https://hub20.io/) - A self-hosted payment processor for Ethereum and ERC20 Tokens. ([Source Code](https://gitlab.com/mushroomlabs/hub20/)) `AGPL-3.0``Docker/Python`
- [REI3](https://rei3.de/home_en/) - Open source, expandable Business Management Software. Manage tasks, time, assets and much more. ([Demo](https://rei3.de/demo_en/), [Source Code](https://github.com/r3-team/r3)) `MIT``Go`
- [Tabby](https://github.com/bertvandepoel/tabby) - A tool to manage shared expenses across friends, such as restaurant costs or food delivery, without requiring everyone to create an account. Includes email reminders and tracks who has (re)paid what. `AGPL-3.0``PHP`
- [Benotes](https://benotes.org/) - An open source self hosted notes and bookmarks taking web app. ([Source Code](https://github.com/fr0tt/benotes)) `MIT``PHP`
- [Dnote](https://www.getdnote.com) - A simple command line notebook with multi-device sync and web interface. ([Source Code](https://github.com/dnote/dnote)) `AGPL-3.0``Go`
- [DocPHT](https://docpht.org/) - With DocPHT you can take notes and quickly document anything and without the use of any database. ([Demo](https://demo.docpht.org/), [Source Code](https://github.com/docpht/docpht)) `MIT``PHP`
- [draw.io](https://draw.io) - Diagram software for making flowcharts, process diagrams, org charts, UML, ER and network diagrams. ([Source Code](https://github.com/jgraph/drawio)) `Apache-2.0``Javascript`
- [HedgeDoc](https://demo.hedgedoc.org/) - Realtime collaborative markdown notes on all platforms, formerly known as CodiMD and HackMD CE. ([Source Code](https://github.com/hedgedoc/hedgedoc)) `AGPL-3.0``Docker/Nodejs`
- [Joplin](https://joplinapp.org/) - Joplin is a note taking application with Markdown editor and encryption support for mobile and desktop platforms. Runs client-side and syncs through self hosted Nextcloud or similar. Consider it like open source alternative to Evernote. ([Source Code](https://github.com/laurent22/joplin)) `MIT``Nodejs`
- [Livebook](https://livebook.dev) - Realtime collaborative notebook app based on Markdown that supports running Elixir codesnippets, TeX and Mermaid Diagrams. Easily deployed using Docker or Elixir. ([Source Code](https://github.com/livebook-dev/livebook)) `Apache-2.0``Elixir`
- [Memos](https://usememos.com/) - An open source, self-hosted knowledge base that works with a SQLite db file. ([Source Code](https://github.com/usememos/memos)) `MIT``Docker/Go`
- [Notes'n'Todos](https://github.com/larspontoppidan/notesntodos) - Write notes and todos online in markdown with tag filtering and date sorting. ([Demo](https://lpss.dk/nnt-playground/)) `MIT``Python`
- [Oddmuse](https://oddmuse.org/) - A simple wiki engine written in Perl. No database required. ([Source Code](https://github.com/kensanata/oddmuse)) `GPL-3.0``Perl`
- [Plainpad](https://alextselegidis.com/get/plainpad/) - A modern note taking application for the cloud, utilizing the best features of progressive web apps technology. ([Demo](https://alextselegidis.com/try/plainpad/), [Source Code](https://github.com/alextselegidis/plainpad)) `GPL-3.0``PHP`
- [Standard Notes](https://docs.standardnotes.com/self-hosting/getting-started) - Simple and private notes app. Protect your privacy while getting more done. That's Standard Notes. ([Demo](https://app.standardnotes.org/), [Source Code](https://github.com/standardnotes/app)) `GPL-3.0``Ruby`
- [Trilium Notes](https://github.com/zadam/trilium) - Trilium Notes is a hierarchical note taking application with focus on building large personal knowledge bases. `AGPL-3.0``Nodejs`
- [turndown](https://mixmark-io.github.io/turndown/) - HTML to Markdown converter written in Javascript. ([Source Code](https://github.com/mixmark-io/turndown)) `MIT``Javascript`
- [Wreeto](https://wreeto.com) - Wreeto is an open source note-taking, knowledge management and wiki system built on top of Ruby on Rails framework. ([Source Code](https://github.com/chrisvel/wreeto_official)) `AGPL-3.0``Ruby`
- [Writing](https://josephernest.github.io/writing/) - Lightweight distraction-free text editor, in the browser (Markdown and LaTeX supported). No lag when writing. ([Source Code](https://github.com/josephernest/writing)) `MIT``Javascript`
An [office suite](https://en.wikipedia.org/wiki/List_of_office_suites) is a collection of productivity software usually containing at least a word processor, spreadsheet and a presentation program.
- [Collabora Online Development Edition](https://www.collaboraoffice.com/code) - Collabora Online Development Edition (CODE) is a powerful LibreOffice-based online office that supports all major document, spreadsheet and presentation file formats, which you can integrate in your own infrastructure. ([Source Code](https://cgit.freedesktop.org/libreoffice/online/)) `MPL-2.0``C++`
- [CryptPad](https://cryptpad.fr/) - CryptPad is a collaboration suite that is end-to-end-encrypted and open-source. It is built to enable collaboration, synchronizing changes to documents in real time. ([Source Code](https://github.com/xwiki-labs/cryptpad)) `AGPL-3.0``Nodejs`
- [Grist](https://getgrist.com/) - Grist is a next-generation spreadsheet with relational structure, formula-based access control, and a portable, self-contained format. Alternative to Airtable. ([Demo](https://docs.getgrist.com), [Source Code](https://github.com/gristlabs/grist-core)) `Apache-2.0``Nodejs/Python`
- [Infinoted](https://github.com/gobby/gobby/wiki/Dedicated%20Server) - Server for [Gobby](https://github.com/gobby/gobby/wiki), a multi-platform collaborative text editor. ([Source Code](https://github.com/gobby/gobby)) `MIT``C++`
- [ONLYOFFICE](https://helpcenter.onlyoffice.com/faq/server-opensource.aspx) - Office suite that enables you to manage documents, projects, team and customer relations in one place. ([Source Code](https://github.com/ONLYOFFICE/DocumentServer)) `AGPL-3.0``Nodejs`
- [PHPOffice](https://github.com/PHPOffice) - PHPOffice contains libraries which permits to write and read files from most office suites. `LGPL-3.0``PHP`
A [password manager](https://en.wikipedia.org/wiki/Password_manager) allows users to store, generate, and manage their passwords for local applications and online services.
- [keeweb](https://keeweb.info/) - This webapp is a browser and desktop password manager compatible with KeePass databases. ([Source Code](https://github.com/keeweb/keeweb)) `MIT``HTML5`
- [Padloc](https://padloc.app/) - A modern, open source password manager for individuals and teams. ([Source Code](https://github.com/padloc/padloc)) `GPL-3.0``Nodejs`
- [Passbolt](https://www.passbolt.com/) - Password manager dedicated for managing passwords in a collaborative way on any Web server, using a MySQL database backend. ([Source Code](https://github.com/passbolt/passbolt_api)) `AGPL-3.0``PHP`
- [PassIt](https://passit.io/) - Simple password manage with sharing features by group and user, but no administration interface. ([Demo](https://app.passit.io/), [Source Code](https://gitlab.com/passit)) `AGPL-3.0``Python`
- [Passky](https://passky.org) - Simple, modern and open source password manager with website, browser extension, android and desktop application. ([Demo](https://vault.passky.org), [Source Code](https://github.com/Rabbit-Company/Passky-Server)) `GPL-3.0``PHP`
- [Psono](https://psono.com/) - A promising password managers fully featured for teams. ([Demo](https://www.psono.pw), [Source Code](https://gitlab.com/psono)) `Apache-2.0``Python`
- [Teampass](https://teampass.net/) - Password manager dedicated for managing passwords in a collaborative way. One symmetric key is used to encrypt all shared/team passwords and stored server side in a file and the database. works on any server Apache, MySQL and PHP. ([Source Code](https://github.com/nilsteampassnet/TeamPass)) `GPL-3.0``PHP`
- [bepasty](https://bepasty-server.readthedocs.io/en/latest/) - A pastebin for all kinds of files. ([Source Code](https://github.com/bepasty/bepasty-server)) `BSD-2-Clause``Python`
- [bin](https://github.com/w4/bin) - A paste bin that's actually minimalist. `WTFPL/0BSD``Rust`
- [dpaste](https://dpaste.org/) - Simple pastebin with multiple text and code option, with short url result easy to remember. ([Source Code](https://github.com/bartTC/dpaste)) `MIT``Docker`
- [FlashPaper](https://github.com/AndrewPaglusch/FlashPaper) - A one-time encrypted zero-knowledge password/secret sharing application focused on simplicity and security. No database or complicated set-up required. ([Demo](https://flashpaper.io)) `MIT``PHP`
- [Hasty Paste](https://enchantedcode.co.uk/hasty-paste/) - A place to quickly paste some text and share it. Mostly used for sharing debug logs and such to help developers provide tech support. The project aims to be both fast and minimal. ([Source Code](https://github.com/enchant97/hasty-paste)) `AGPL-3.0``Docker/Python`
- [Lenpaste](https://git.lcomrade.su/root/lenpaste) - Web service that allows you to share notes anonymously, an alternative to pastebin. ([Demo](https://paste.lcomrade.su/)) `AGPL-3.0``Docker/Go`
- [LogPaste](https://github.com/mtlynch/logpaste) - Minimal pastebin web app that's easy to self-host and persists data to any S3-compatible backend. ([Demo](https://logpaste.com/)) `MIT``Go`
- [paaster](https://paaster.io) - Paaster is a secure by default end-to-end encrypted pastebin built with the objective of simplicity. ([Source Code](https://github.com/WardPearce/paaster)) `GPL-3.0``Docker`
- [Password Pusher](https://pwpush.com) - A dead-simple application to securely communicate passwords (or text) over the web. Passwords automatically expire after a certain number of views and/or time has passed. ([Source Code](https://github.com/pglombardo/PasswordPusher)) `GPL-3.0``Docker`
- [Paste](https://phpaste.sourceforge.io/) - Paste is forked from the original source pastebin.com used before it was bought. ([Source Code](https://github.com/jordansamuel/PASTE)) `GPL-3.0``PHP`
- [Pastefy](https://pastefy.ga) - Beautiful, simple and easy to deploy Pastebin with optional Client-Encryption, Multitab-Pastes, an API, a highlighted Editor and more. ([Source Code](https://github.com/interaapps/pastefy), [Clients](https://github.com/topics/pastefy-addon)) `MIT``Java`
- [PrivateBin](https://privatebin.info/) - PrivateBin is a minimalist, opensource online pastebin/discussion board where the server has zero knowledge of hosted data. ([Demo](https://privatebin.net/), [Source Code](https://github.com/PrivateBin/PrivateBin)) `Zlib``PHP`
- [prologic pastebin](https://git.mills.io/prologic/pastebin) - Simple pastebin service with convenient api and CLI. ([Demo](https://paste.mills.io)) `MIT``Go`
- [PurritoBin](https://github.com/PurritoBin/PurritoBin) - Ultra fast, minimalistic, encrypted command line paste-bin, where the server has no knowledge of the paste data. `ISC``C++`
- [Spacebin](https://github.com/spacebin-org/spirit) - Text-sharing for the final frontier — Reliable Pastebin server in Golang and Fiber. `Apache-2.0``Go`
- [Sup3rS3cretMes5age](https://github.com/algolia/sup3rS3cretMes5age) - Very simple (to deploy and to use) secret message service using Hashicorp Vault as a secrets storage. `MIT``Go`
- [wantguns/bin](https://github.com/wantguns/bin) - Minimal pastebin for both textual and binary files shipped in a single statically linked binary. ([Demo](https://basedbin.fly.dev)) `GPL-3.0``Rust`
- [Wastebin](https://github.com/matze/wastebin) - Lightweight, minimal and fast pastebin with an SQLite backend. ([Demo](https://bin.bloerg.net)) `MIT``Rust`
- [Dashboard](https://github.com/phntxx/dashboard) - Minimalist homepage for organizing your web applications and bookmarks using JSON-files. `MIT``Nodejs/Docker`
- [Dashy](https://github.com/lissy93/dashy) - Feature-rich homepage for your homelab, with easy YAML configuration. ([Demo](https://demo.dashy.to/)) `MIT``Nodejs/Docker`
- [Fenrus](https://github.com/revenz/fenrus) - A self hosted personal home page that allows for multiple users, guest access and multiple dashboards for each user. It also has "Smart Apps" which display live data for those apps. `GPL-3.0``Nodejs`
- [Flame](https://github.com/pawelmalak/flame) - Flame is self-hosted startpage for your server. Easily manage your apps and bookmarks with built-in editors. `MIT``Nodejs`
- [Habitica](https://habitica.com/) - Habit tracker app which treats your goals like a Role Playing Game. Previously called HabitRPG. ([Source Code](https://github.com/HabitRPG/habitica)) `GPL-3.0/CC-BY-SA-3.0``Nodejs`
- [Heimdall](https://heimdall.site/) - Heimdall is an elegant solution to organise all your web applications. ([Source Code](https://github.com/linuxserver/Heimdall)) `MIT``PHP`
- [Hiccup](https://designedbyashw.in/test/hiccup/) - A beautiful static homepage to get to your links and services quickly. It has built-in search, editing, PWA support and localstorage caching to easily organize your start page. ([Source Code](https://github.com/ashwin-pc/hiccup)) `MIT``HTML5`
- [Homepage by benphelps](https://github.com/benphelps/homepage) - A highly customizable homepage (or startpage / application dashboard) with Docker and service API integrations. `GPL-3.0``Docker/Nodejs`
- [Homepage by tomershvueli](https://github.com/tomershvueli/homepage) - Simple, standalone, self-hosted PHP page that is your window to your server and the web. `MIT``PHP`
- [Homer](https://github.com/bastienwirtz/homer) - A dead simple static homepage to expose your server services, with an easy yaml configuration and connectivity check. `Apache-2.0``HTML5`
- [Hubleys](https://github.com/knrdl/hubleys-dashboard) - Self-hosted personal dashboards to organize links for multiple users via a central yaml config. `MIT``Docker`
- [Jump](https://github.com/daledavies/jump) - Yet another self-hosted startpage for your server designed to be simple, stylish, fast and secure. `MIT``PHP`
- [LinkStack](https://linkstack.org/) - Open-source, customizable, self-hosted alternative to services like Linktree and Manylink with an intuitive, easy to use user/admin interface. LinkStack allows you to link all your social media platforms easily accessible on one page. ([Demo](https://linksta.cc/), [Source Code](https://github.com/LinkStackOrg/LinkStack)) `AGPL-3.0``PHP`
- [Smashing](https://smashing.github.io/) - Smashing, the spiritual successor to Dashing, is a Sinatra based framework that lets you build excellent dashboards. It looks especially great on TVs. ([Source Code](https://github.com/Smashing/smashing)) `MIT``Ruby`
- [Web-Portal](https://github.com/enchant97/web-portal) - A python web app designed to allow a easy way to manage the links to all of your web services. `AGPL-3.0``Docker/Python`
- [wger](https://wger.de/) - Web-based personal workout, fitness and weight logger/tracker. It can also be used as a simple gym management utility and offers a full REST API as well. ([Demo](https://wger.de/en/dashboard), [Source Code](https://github.com/wger-project/wger)) `AGPL-3.0``Python`
- [Your Spotify](https://github.com/Yooooomi/your_spotify) `⚠` - Allows you to record your Spotify listening activity and have statistics about them served through a Web application. `MIT``Nodejs/Docker`
A [gallery](https://en.wikipedia.org/wiki/Gallery_Software) is software that helps the user publish or share photos, pictures, videos or other digital media.
- [Chevereto](https://github.com/chevereto/chevereto) - Ultimate image sharing software. Create your very own personal image hosting website in just minutes. ([Source Code](https://github.com/chevereto/chevereto)) `AGPL-3.0``PHP`
- [Coppermine](https://coppermine-gallery.net/) - Multilingual photo gallery that integrates with various bulletin boards. Includes upload approval and password protected albums. ([Demo](https://coppermine-gallery.net/demo/cpg15x/), [Source Code](https://github.com/coppermine-gallery/cpg1.6.x)) `GPL-3.0``PHP`
- [Damselfly](https://damselfly.info) - Fast server-based photo management system for large collections of images. Includes face detection, face & object recognition, powerful search, and EXIF Keyword tagging. Runs on Linux, MacOS and Windows. `GPL-3.0``C#/.NET`
- [Fussel](https://github.com/cbenning/fussel) - Self-hosted, no-backend static photo gallery. Face tag recognition, albums and more. ([Demo](https://benninger.ca/fussel-demo/)) `MIT``Python/Docker`
- [HomeGallery](https://home-gallery.org) - Self-hosted open-source web gallery to browse personal photos and videos featuring tagging, mobile-friendly, and AI powered image discovery. ([Demo](https://demo.home-gallery.org), [Source Code](https://github.com/xemle/home-gallery)) `MIT``Nodejs`
- [ImageStore](https://github.com/gregordr/ImageStore) - Self-hosted Google Photos alternative, with a very similar UI. ([Demo](https://gregordr.github.io/ImageStore/)) `Apache-2.0``Nodejs/Docker`
- [LibrePhotos](https://github.com/LibrePhotos/librephotos) - Self hosted wannabe Google Photos clone, with a slight focus on cool graphs. `MIT``Python`
- [Lychee](https://lycheeorg.github.io/) - Open source grid and album based photo-management-system. ([Source Code](https://github.com/LycheeOrg/Lychee)) `MIT``PHP`
- [Mediagoblin](https://mediagoblin.org) - Free software media publishing platform that anyone can run. You can think of it as a decentralized alternative to Flickr, YouTube, SoundCloud, etc. ([Source Code](https://savannah.gnu.org/projects/mediagoblin)) `AGPL-3.0``Python`
- [Nextcloud Memories](https://github.com/pulsejet/memories) - Fast, modern and advanced photo management suite. Runs as a Nextcloud app. ([Demo](https://memories-demo.radialapps.com/)) `AGPL-3.0``PHP`
- [Photonix](https://photonix.org/) - A new web-based photo management application with object recognition, location awareness, color analysis and other ML algorithms. ([Demo](https://demo.photonix.org/), [Source Code](https://github.com/photonixapp/photonix)) `AGPL-3.0``Python`
- [PhotoPrism](https://photoprism.org) - Personal photo management powered by Go and Google TensorFlow. Browse, organize, and share your personal photo collection, using the latest technologies to automatically tag and find pictures. ([Demo](https://demo.photoprism.app/library/browse), [Source Code](https://github.com/photoprism/photoprism)) `AGPL-3.0``Go`
- [Photoview](https://photoview.github.io/) - A simple and user-friendly Photo Gallery for personal servers. It is made for photographers and aims to provide an easy and fast way to navigate directories, with thousands of high resolution photos. ([Source Code](https://github.com/photoview/photoview)) `GPL-3.0``Go`
- [PiGallery 2](https://bpatrik.github.io/pigallery2/) - A directory-first photo gallery website, with a rich UI, optimised for running on low resource servers. ([Source Code](https://github.com/bpatrik/pigallery2)) `MIT``Docker/Nodejs`
- [Piwigo](https://piwigo.org/) - Photo gallery software for the web, built by an active community of users and developers. ([Source Code](https://github.com/Piwigo/Piwigo)) `GPL-2.0``PHP`
- [Quru Image Server](https://quruimageserver.com/) - High performance dynamically resizing image server offering directory based access control cropping, rotation, color management and other tools. ([Demo](https://quruimageserver.com), [Source Code](https://github.com/quru/qis)) `AGPL-3.0``Python`
- [This week in past](https://github.com/RouHim/this-week-in-past) - Aggregates images taken this week, from previous years and presents them on a web page with a simple slideshow. ([Demo](http://152.70.175.46:80)) `MIT``Docker/Rust`
- [Thumbor](http://thumbor.org/) - A smart imaging service and enables on-demand cropping, resizing, applying filters and optimizing images. ([Source Code](https://github.com/thumbor/thumbor)) `MIT``Python/Docker`
- [UberGallery](https://www.ubergallery.net) - UberGallery is an easy to use, simple to manage, web photo gallery. UberGallery does not require a database and supports JPEG, GIF and PNG file types. Simply upload your images and UberGallery will automatically generate thumbnails and output HTML. ([Source Code](https://github.com/UberGallery/UberGallery)) `MIT``PHP`
- [Bitpoll](https://github.com/fsinfuhh/Bitpoll) - A web application for scheduling meetings and general polling. ([Demo](https://bitpoll.de/)) `GPL-3.0``Python`
- [Christmas Community](https://github.com/Wingysam/Christmas-Community) - Create a simple place for your entire family to use to find gifts that people want, and to avoid double-gifting. `AGPL-3.0``Docker/Nodejs`
- [Claper](https://claper.co/) - The ultimate tool to interact with your audience. An open-source alternative to Slido, AhaSlides and Mentimeter. ([Source Code](https://github.com/ClaperCo/Claper)) `GPL-3.0``Elixir/Docker`
- [ClearFlask](https://clearflask.com) - Community-feedback tool for managing incoming feedback and prioritizing a public roadmap. Alternative to Canny, UserVoice, Upvoty. ([Demo](https://product.clearflask.com), [Source Code](https://github.com/clearflask/clearflask)) `AGPL-3.0``Docker`
- [Croodle](https://github.com/jelhan/croodle) - Croodle is an end-to-end encrypted web application to schedule a date or to do a poll on any topic. `MIT``Javascript`
- [docassemble](https://docassemble.org/) - A free, open-source expert system for guided interviews and document assembly, based on Python, YAML, and Markdown. ([Demo](https://demo.docassemble.org/run/legal), [Source Code](https://github.com/jhpyle/docassemble)) `MIT``Docker`
- [Feedka](https://github.com/drabkirn/feedka) `⚠` - Open-source web application that can serve as a platform to get authentic, kindful, and constructive feedback from your friends, family, and co-workers. `AGPL-3.0``Ruby`
- [Fider](https://fider.io) - Open source alternative to UserVoice for customer feedback. ([Demo](https://demo.fider.io), [Source Code](https://github.com/getfider/fider)) `MIT``Go`
- [Framadate](https://framadate.org/abc/) - Online service for planning an appointment or make a decision quickly and easily: Make a poll, Define dates or subjects to choose, Send the poll link to your friends or colleagues, Discuss and make a decision. ([Demo](https://framadate.org/aqg259dth55iuhwm), [Source Code](https://framagit.org/framasoft/framadate?)) `CECILL-B``PHP`
- [hitobito](https://hitobito.com/en) - A web application to manage complex group hierarchies with members, events and a lot more. ([Demo](https://demo.hitobito.com/en/users/sign_in), [Source Code](https://github.com/hitobito/hitobito)) `AGPL-3.0``Ruby`
- [Mobilizon](https://mobilizon.org) - A federated tool that helps you find, create and organise events and groups. ([Demo](https://demo.mobilizon.org/), [Source Code](https://framagit.org/framasoft/mobilizon/)) `GPL-3.0``Elixir`
- [OhMyForms](https://ohmyform.com/) - An open source alternative to TypeForm that can create stunning mobile-ready forms, surveys and questionnaires. ([Source Code](https://github.com/ohmyform/ohmyform)) `AGPL-3.0``Docker`
- [Open Event Server](https://github.com/fossasia/open-event-server) - Enables organizers to manage events from concerts to conferences and meet-ups. `GPL-3.0``Python`
A [proxy](https://en.wikipedia.org/wiki/Proxy_server) is a server application that acts as an intermediary between a client requesting a resource and the server providing that resource.
- [imgproxy](https://imgproxy.net/) - Fast and secure standalone server for resizing and converting remote images. It works great when you need to resize multiple images on the fly without preparing a ton of cached resized images or re-doing it every time the design changes. ([Source Code](https://github.com/imgproxy/imgproxy)) `MIT``Go/Docker`
- [inlets](https://inlets.dev/) - Expose your local endpoints to the Internet - with a Kubernetes integration, Docker image and CLI available. `MIT``Go/Docker`
- [iodine](https://code.kryo.se/iodine/) - IPv4 over DNS tunnel solution, enabling you to start up a socks5 proxy listener. ([Source Code](https://github.com/yarrick/iodine)) `ISC``C`
- [Nginx Proxy Manager](https://nginxproxymanager.com/) - Nginx Proxy Manager is an easy way to accomplish reverse proxying hosts with SSL termination. ([Source Code](https://github.com/jc21/nginx-proxy-manager)) `MIT``Nodejs/Docker`
- [Outline Server](https://getoutline.org/) - A proxy server that runs a Shadowsocks instance for each access key and a REST API to manage the access keys. ([Source Code](https://github.com/Jigsaw-Code/outline-server)) `Apache-2.0``Docker/Nodejs`
- [PHP-Proxy](https://www.php-proxy.com/) - Web proxy script built specifically to be fast, easy to modify and to support video sites such as YouTube. ([Demo](https://unblockvideos.com/), [Source Code](https://github.com/Athlon1600/php-proxy-app)) `MIT``PHP`
- [Pomerium](https://www.pomerium.io) - An identity-aware reverse proxy, successor to now obsolete oauth_proxy. It inserts an OAuth step before proxying your request to the backend, so that you can safely expose your self-hosted websites to public Internet. ([Source Code](https://github.com/pomerium/pomerium)) `Apache-2.0``Go`
- [Privoxy](https://www.privoxy.org) - Non-caching web proxy with advanced filtering capabilities for enhancing privacy, modifying web page data and HTTP headers, controlling access, and removing ads and other obnoxious Internet junk. `GPL-2.0``C`
- [sish](https://github.com/antoniomika/sish) - Open source serveo/ngrok alternative providing HTTP(S)/WS(S)/TCP tunnels to localhost using only SSH. `MIT``Go`
- [socks5-proxy-server](https://github.com/nskondratev/socks5-proxy-server) - SOCKS5 proxy server with built-in authentication and Telegram-bot for user management and user statistics on data spent (handy when you pay per GB of data). It is dockerised and simple to install. `Apache-2.0``Nodejs`
- [Squid](http://www.squid-cache.org/) - Caching proxy for the Web supporting HTTP, HTTPS, FTP, and more. It reduces bandwidth and improves response times by caching and reusing frequently-requested web pages. ([Source Code](https://code.launchpad.net/squid)) `GPL-2.0``C`
- [Bar Assistant](https://github.com/karlomikus/bar-assistant) - Bar assistant is a self hosted application for managing your home bar. It allows you to add your ingredients, search for cocktails and create custom cocktail recipes. ([Demo](https://bar.karlomikus.com/)) `MIT``PHP/Docker`
- [Groceri.es](https://groceri.es/) - Web-based application to manage your recipes and plan your meals ahead. groceri.es keeps track of your menu plans and generates a groceries list for you. ([Source Code](https://github.com/juriansluiman/groceri.es)) `MIT``Docker/Python`
- [kcal](https://github.com/kcal-app/kcal) - Track nutritional information about foods and recipes, set goals, and record a food journal to help along the way. Kcal is a personal system that focuses on direct control of inputs and a minimal, easy to use recipe presentation for preparing meals. `MPL-2.0``PHP`
- [KitchenOwl](https://tombursch.github.io/kitchenowl/) - A cross-platform shopping list, recipe storage, expense tracker, and meal planner following the material design language. ([Source Code](https://github.com/TomBursch/kitchenowl)) `AGPL-3.0``Docker`
- [Mealie](https://hay-kot.github.io/mealie/) - Material design inspired recipe manager with category and tag management, shopping-lists, meal-planner, and site customizations. Mealie is focused on simple user interactions to keep the whole family using the app. ([Demo](https://demo.mealie.io/login), [Source Code](https://github.com/hay-kot/mealie)) `MIT``Python`
- [Recepturer](https://recepturer.com/) `⚠` - Let Recepturer help you organize all your recipes in one place. You can add, edit and delete recipes, and create meal plans. Simply type your recipe and all ingredients will be listed as you go. Data is stored on Dropbox. ([Source Code](https://github.com/sjoerdvanderhoorn/recepturer)) `MIT``Javascript`
- [RecipeSage](https://github.com/julianpoy/recipesage) - A recipe keeper, meal plan organizer, and shopping list manager that can import recipes directly from any URL. ([Demo](https://recipesage.com)) `AGPL-3.0``Nodejs`
- [reciphpes!](https://github.com/nanawel/reciphpes) - A lightweight, Symfony-based recipes indexing software supporting search and tags, using a SQLite database. `MIT``Docker`
- [Tandoor Recipes](https://docs.tandoor.dev/) - Django application to manage, tag and search recipes using either built-in models or external storage providers hosting PDFs, Images or other files. ([Demo](https://app.tandoor.dev/accounts/login/?demo), [Source Code](https://github.com/vabene1111/recipes/)) `MIT``Python`
[Remote desktop](https://en.wikipedia.org/wiki/Remote_desktop_software) and [SSH](https://en.wikipedia.org/wiki/Secure_Shell) software for remote management of computer systems.
- [Firezone](https://www.firezone.dev/) - Self-hosted secure remote access gateway that supports the WireGuard protocol. It offers a Web GUI, 1-line install script, multi-factor auth (MFA), and SSO. ([Source Code](https://github.com/firezone/firezone)) `Apache-2.0``Elixir`
- [Guacamole](https://guacamole.apache.org) - Guacamole is a clientless remote desktop gateway. It supports standard protocols like VNC and RDP. ([Source Code](https://github.com/glyptodon/)) `Apache-2.0``Java/C`
- [MeshCentral](https://meshcentral.com/) - A full computer management website. With MeshCentral, you can run your own web server to remotely manage and control computers on a local network or anywhere on the internet. ([Source Code](https://github.com/Ylianst/MeshCentral)) `Apache-2.0``Nodejs`
- [RustDesk](https://rustdesk.com/) - An open source TeamViewer alternative, works out of the box, no configuration required. ([Source Code](https://github.com/rustdesk/rustdesk-server)) `AGPL-3.0``Rust/Docker`
- [ShellHub](https://www.shellhub.io) - ShellHub is a modern SSH server for remotely accessing linux devices via command line (using any SSH client) or web-based user interface, designed as an alternative to sshd. ([Source Code](https://github.com/shellhub-io/shellhub)) `Apache-2.0``Go/Other`
- [Sshwifty](https://github.com/nirui/sshwifty) - Sshwifty is a SSH and Telnet connector made for the Web. `AGPL-3.0``Go/Docker`
- [Warpgate](https://github.com/warp-tech/warpgate) - Smart SSH and HTTPS bastion that works with any SSH client. `Apache-2.0``Rust/Docker`
- [grocy](https://grocy.info/) - ERP beyond your fridge - grocy is a web-based self-hosted groceries & household management solution for your home. ([Demo](https://en.demo.grocy.info/), [Source Code](https://github.com/grocy/grocy)) `MIT``PHP`
- [Tania](https://usetania.org/) - Tania is a free and open source farming management system for everyone. You can manage your areas, reservoirs, farm tasks, inventories, and the crop growing progress. ([Source Code](https://github.com/usetania/tania-core)) `Apache-2.0``Go`
- [Dolibarr](https://www.dolibarr.org/) - Dolibarr ERP CRM is a modern software package to manage your company or foundation activity (contacts, suppliers, invoices, orders, stocks, agenda, accounting, ...). ([Demo](https://www.dolibarr.org/onlinedemo.php), [Source Code](https://github.com/Dolibarr/dolibarr)) `GPL-3.0-or-later``PHP`
- [LedgerSMB](https://ledgersmb.org/) - Integrated accounting and ERP system for small and midsize businesses, with double entry accounting, budgeting, invoicing, quotations, projects, orders and inventory management, shipping and more. ([Demo](https://demo.cloud.efficito.com/erp/1.5/login.pl), [Source Code](https://github.com/ledgersmb/LedgerSMB)) `GPL-2.0``Perl`
- [OFBiz](https://ofbiz.apache.org/) - FOSS enterprise resource planning system with a suite of business applications flexible enough to be used across any industry. ([Source Code](https://svn.apache.org/viewvc/ofbiz/)) `Apache-2.0``Java`
A [search engine](https://en.wikipedia.org/wiki/Search_engine_(computing)) is an [information retrieval system](https://en.wikipedia.org/wiki/Information_retrieval) designed to help find information stored on a computer system. This includes [Web search engines](https://en.wikipedia.org/wiki/Web_search_engine).
- [Fess](https://fess.codelibs.org/) - Fess is a very powerful and easily deployable Enterprise Search Server. ([Demo](https://search.n2sm.co.jp/), [Source Code](https://github.com/codelibs/fess)) `Apache-2.0``Java/Docker`
- [Manticore Search](https://github.com/manticoresoftware/manticoresearch/) - Much faster alternative to Elasticsearch for full-text search and data analytics. Provides much lower response time for small, medium and big data. `GPL-2.0``Docker/C++`
- [ZincSearch](https://zincsearch.com) - A lightweight alternative to elasticsearch that requires minimal resources, written in Go. ([Demo](https://github.com/zinclabs/zinc#playground-server), [Source Code](https://github.com/zinclabs/zinc)) `Apache-2.0``Go`
- [Ansible-NAS](https://github.com/DaveStephens/ansible-nas) - Build a full-featured home server with this playbook and an Ubuntu box. `MIT``YAML/Docker`
- [Bitsii Bridge](https://gitlab.com/bitsii/Bitsii/-/wikis/home) `⚠` - Easy to install self-hosting platform for Windows, MacOS, and Linux. Depends on a dynamic DNS provider and Let's Encrypt. ([Source Code](https://gitlab.com/bitsii/BBridge)) `MPL-2.0``Java/Other`
- [DietPi](https://dietpi.com/) - Minimal Debian OS optimized for single-board computers, which allows you to easily install and manage several services for selfhosting at home. ([Source Code](https://github.com/MichaIng/DietPi)) `GPL-2.0``Shell`
- [DockSTARTer](https://dockstarter.com/) - DockSTARTer helps you get started with home server apps running in Docker. ([Source Code](https://github.com/GhostWriters/DockSTARTer)) `MIT``Shell`
- [FreedomBox](https://freedomboxfoundation.org/) - Community project to develop, design and promote personal servers running free software for private, personal, communications. ([Source Code](https://salsa.debian.org/freedombox-team/freedombox)) `AGPL-3.0``Python/Other`
- [HomelabOS](https://homelabos.com) - Your very own offline-first privacy-centric open-source data-center. Deploy over 100 services with a few commands. ([Source Code](https://gitlab.com/NickBusey/HomelabOS)) `MIT``Docker`
- [LibreServer](https://libreserver.org/) - Home server configuration based on Debian. ([Source Code](https://github.com/bashrc2/libreserver)) `AGPL-3.0``Shell`
- [Marauder](https://github.com/Makeshift/Marauder) `⚠` - Marauder is a fully dockerized cloud media server solution utilising Google Drive as an unlimited disk backend, assisting with the setup of tools like Sonarr, Radarr, Sabnzbd, Transmission and services enhancing their function. `MIT``Docker`
- [Mistborn](https://gitlab.com/cyber5k/mistborn) - Mistborn is your own virtual private cloud platform and WebUI that manages self hosted services. `MIT``Bash/Docker`
- [NextCloudPi](https://github.com/nextcloud/nextcloudpi) - Nextcloud preinstalled and preconfigured, with a text and web management interface and all the tools needed to self host private data. With installation images for Raspberry Pi, Odroid, Rock64, Docker, and a curl installer for Armbian/Debian. `GPL-2.0-or-later``Bash/PHP`
- [OpenMediaVault](https://www.openmediavault.org/) - OpenMediaVault is the next generation network attached storage (NAS) solution based on Debian Linux. It contains services like SSH, (S)FTP, SMB/CIFS, DAAP media server, RSync, BitTorrent client and many more. ([Source Code](https://github.com/openmediavault/openmediavault)) `GPL-3.0``PHP`
- [Sandstorm](https://sandstorm.io/) - Personal server for running self-hosted apps easily and securely. ([Demo](https://demo.sandstorm.io/), [Source Code](https://github.com/sandstorm-io/sandstorm)) `Apache-2.0``C++/Other`
- [Syncloud](https://syncloud.org/) - Your own online file storage, social network or email server. ([Source Code](https://github.com/syncloud/platform)) `GPL-3.0``Python/Other`
- [Tipi](https://runtipi.io/) - Homeserver manager. One command setup, one click installs for your favorites self-hosted apps. ([Demo](https://demo.runtipi.io), [Source Code](https://github.com/meienberger/runtipi)) `GPL-3.0``Shell`
- [UBOS](https://ubos.net/) - Linux distro that runs on indie boxes (personal servers and IoT devices). Single-command installation and management of apps - Jenkins, Mediawiki, Owncloud, WordPress, etc., and other features. `GPL-3.0``Perl/Other`
- [VivumLab](https://vivumlab.com) - An open-source data-center, owned by you, the user. VivumLab deploys web services to a server. ([Source Code](https://github.com/VivumLab/VivumLab)) `MIT``Docker/Shell`
- [WikiSuite](https://wikisuite.org) - The most comprehensive and integrated Free / Libre / Open Source enterprise software suite. ([Source Code](https://wikisuite.org/Source-Code)) `GPL-3.0/LGPL-2.1/Apache-2.0/MPL-2.0/MPL-1.1/MIT/AGPL-3.0``ClearOS`
- [xsrv](https://xsrv.readthedocs.io/) - Install and manage self-hosted services/applications, on your own server(s). ([Source Code](https://github.com/nodiscc/xsrv)) `GPL-3.0``Shell/Ansible`
- [YunoHost](https://yunohost.org/) - Server operating system aiming to make self-hosting accessible to everyone. ([Demo](https://yunohost.org/#/try), [Source Code](https://github.com/YunoHost)) `AGPL-3.0``Python/Other`
[Software development](https://en.wikipedia.org/wiki/Software_development) is the process of conceiving, specifying, designing, programming, documenting, testing, and bug fixing involved in creating and maintaining applications, frameworks, or other software components.
**Please visit [Software Development - API Management](#software-development---api-management), [Software Development - Continuous Integration & Deployment](#software-development---continuous-integration--deployment), [Software Development - FaaS & Serverless](#software-development---faas--serverless), [Software Development - IDE & Tools](#software-development---ide--tools), [Software Development - Localization](#software-development---localization), [Software Development - Low Code](#software-development---low-code), [Software Development - Project Management](#software-development---project-management), [Software Development - Testing](#software-development---testing)**
[API management](https://en.wikipedia.org/wiki/API_management) is the process of creating and publishing [application programming interfaces (APIs)](https://en.wikipedia.org/wiki/API), enforcing their usage policies, controlling access, nurturing the subscriber community, collecting and analyzing usage statistics, and reporting on performance.
- [DreamFactory](https://www.dreamfactory.com/) - Turns any SQL/NoSQL/Structured data into Restful API. ([Source Code](https://github.com/dreamfactorysoftware/dreamfactory)) `Apache-2.0``PHP`
- [form.io](https://form.io) - A REST API building platform that utilizes a drag & drop form builder, and is application framework agnostic. Contains open source and enterprise version. ([Demo](https://portal.form.io), [Source Code](https://github.com/formio)) `MIT``Nodejs`
- [Fusio](https://www.fusio-project.org/) - Open-source API management platform which helps to build and manage REST APIs. ([Demo](https://fusio-project.org/demo), [Source Code](https://github.com/apioo/fusio)) `AGPL-3.0``PHP`
- [Hasura](https://hasura.io) - Fast, instant realtime GraphQL APIs on Postgres with fine grained access control, also trigger webhooks on database events. ([Source Code](https://github.com/hasura/graphql-engine)) `Apache-2.0``Haskell`
- [Hoppscotch](https://hoppscotch.io) - A free, fast and beautiful API request builder. ([Source Code](https://github.com/hoppscotch/hoppscotch)) `MIT``Nodejs/Vue/Nuxt`
- [Kong](https://konghq.com/kong/) - The World’s Most Popular Open Source Microservice API Gateway and Platform. ([Source Code](https://github.com/Kong/kong)) `Apache-2.0``Lua`
- [Lura](https://luraproject.org/) - Open source High-Performance API Gateway. ([Source Code](https://github.com/luraproject/lura)) `Apache-2.0``Go`
- [Para](https://paraio.org) - Flexible and modular backend framework/server for object persistence, API development and authentication. ([Source Code](https://github.com/erudika/para)) `Apache-2.0``Java`
- [Svix](https://svix.com) - Open-source webhooks as a service that makes it super easy for API providers to send webhooks. ([Source Code](https://github.com/svix/svix-webhooks)) `MIT``Docker/Rust`
- [Tyk](https://tyk.io) - Fast and scalable open source API Gateway. Out of the box, Tyk offers an API Management Platform with an API Gateway, API Analytics, Developer Portal and API Management Dashboard. ([Source Code](https://github.com/TykTechnologies/tyk)) `MPL-2.0``Go`
- [Yaade](https://docs.yaade.io/) - Yaade is an open-source, self-hosted, collaborative API development environment. ([Source Code](https://github.com/EsperoTech/yaade)) `MIT``Docker`
[Continuous integration](https://en.wikipedia.org/wiki/Continuous_integration) and [Continuous deployment](https://en.wikipedia.org/wiki/Continuous_deployment) software and tools.
- [Appwrite](https://appwrite.io) - End to end backend server for web, native, and mobile developers 🚀. ([Source Code](https://github.com/appwrite/appwrite)) `BSD-3-Clause``PHP`
- [LocalStack](https://localstack.cloud/) - LocalStack is a fully functional local AWS cloud stack. This includes Lambda for serverless computation. ([Source Code](https://github.com/localstack/localstack)) `Apache-2.0``Python/Other`
- [Nhost](https://nhost.io/) - The Open Source Firebase Alternative with GraphQL. Get a database and backend configured and ready in minutes. ([Source Code](https://github.com/nhost/nhost)) `MIT``Docker/Nodejs/Go`
An [integrated development environment (IDE)](https://en.wikipedia.org/wiki/Integrated_development_environment) is a software application that provides comprehensive facilities to computer programmers for software development.
- [Atheos](https://www.atheos.io) - Web-based IDE framework with a small footprint and minimal requirements, continued from Codiad. ([Source Code](https://github.com/Atheos/Atheos)) `MIT``PHP`
- [Eclipse Che](https://www.eclipse.org/che/) - Open source workspace server and cloud IDE. ([Source Code](https://github.com/eclipse/che)) `EPL-1.0``Docker/Java`
- [HttPlaceholder](https://github.com/dukeofharen/httplaceholder) - Quickly mock away any webservice using HttPlaceholder. HttPlaceholder lets you specify what the request should look like and what response needs to be returned. `MIT``C#`
- [ICEcoder](https://icecoder.net/) - ICEcoder is a web IDE / browser based code editor, which allows you to develop websites directly within the web browser. ([Demo](http://demo.icecoder.net/ICEcoder/), [Source Code](https://github.com/icecoder/ICEcoder)) `MIT``PHP`
- [Lowdefy](https://www.lowdefy.com/) - Build internal tools, BI dashboards, admin panels, CRUD apps and workflows in minutes using YAML / JSON on an self-hosted, open-source platform. Connect to your data sources, host via Serverless, Netlify or Docker. ([Source Code](https://github.com/lowdefy/lowdefy)) `Apache-2.0``Nodejs`
- [RStudio Server](https://www.rstudio.com/products/rstudio/#Server) - Web browser based IDE for R. ([Source Code](https://github.com/rstudio/rstudio)) `AGPL-3.0``Java/C++`
- [sourcegraph](https://sourcegraph.com) - Sourcegraph is a fast, open-source, fully-featured code search and navigation engine written in Go. ([Source Code](https://github.com/sourcegraph/sourcegraph)) `Apache-2.0``Go`
- [Localizer](https://localizer.dev) - Free self-hosted open-source crowd-translating service for your product. ([Demo](https://localize.todorant.com), [Source Code](https://github.com/backmeupplz/localizer-backend)) `MIT``Nodejs/Docker`
- [Weblate](https://weblate.org) - Web-based translation tool with tight version control integration. ([Demo](https://demo.weblate.org), [Source Code](https://github.com/WeblateOrg/weblate)) `GPL-3.0``Python`
A [low-code](https://en.wikipedia.org/wiki/Low-code_development_platform) development platform (LCDP) provides a development environment used to create application software through a graphical user interface.
- [Appsmith](https://www.appsmith.com/) - Cloud or self-hosted open-source platform to build admin panels, CRUD apps and workflows. Build everything you need, 10x faster. ([Source Code](https://github.com/appsmithorg/appsmith)) `Apache-2.0``Java/Docker`
- [Budibase](https://www.budibase.com) - Build and automate internal tools, admin panels, dashboards, CRUD apps, and more, in minutes. Budibase is the open source alternative to Outsystems, Retool, Mendix, Appian. ([Source Code](https://github.com/Budibase/budibase)) `GPL-3.0``Nodejs`
- [Hadmean](https://hadmean.com) - Don't build in hours but generate in seconds your fully functional admin apps without any technical knowledge with just a single command `npx hadmean`. ([Demo](http://demo.hadmean.com), [Source Code](https://github.com/hadmean/hadmean)) `AGPL-3.0``Nodejs`
- [PocketBase](https://pocketbase.io/) - Open Source backend for your next SaaS and Mobile app in 1 file. ([Source Code](https://github.com/pocketbase/pocketbase)) `MIT``Go/Docker`
- [ToolJet](https://tooljet.io/) - ToolJet is the open-source low-code framework alternative to Retool & Mendix to build & deploy internal tools with minimal engineering effort. ([Source Code](https://github.com/ToolJet/ToolJet)) `GPL-3.0``Nodejs`
- [Bonobo Git Server](https://bonobogitserver.com/) - Set up your own self hosted git server on IIS for Windows. Manage users and have full control over your repositories with a nice user friendly graphical interface. ([Source Code](https://github.com/jakubgarfield/Bonobo-Git-Server)) `MIT``C#`
- [Cgit](https://git.zx2c4.com/cgit/about/) - A fast lightweight web interface for git repositories. ([Source Code](https://git.zx2c4.com/cgit/tree/)) `GPL-2.0``C`
- [Fossil](https://www.fossil-scm.org/index.html/doc/trunk/www/index.wiki) - Distributed version control system featuring wiki and bug tracker. `BSD-2-Clause-FreeBSD``C`
- [Gerrit](https://www.gerritcodereview.com/) - A code review and project management tool for Git based projects. ([Source Code](https://github.com/GerritCodeReview/gerrit)) `Apache-2.0``Java/Docker`
- [Gitlist](https://gitlist.org/) - Web-based git repository browser - GitList allows you to browse repositories using your favorite browser, viewing files under different revisions, commit history and diffs. ([Source Code](https://github.com/klaussilveira/gitlist)) `BSD-3-Clause``PHP`
- [Gitolite](https://gitolite.com/gitolite/index.html) - Gitolite allows you to setup git hosting on a central server, with fine-grained access control and many more powerful features. ([Source Code](https://github.com/sitaramc/gitolite)) `GPL-2.0``Perl`
- [Gogs](https://gogs.io/) - Painless self-hosted Git Service written in Go. ([Demo](https://try.gogs.io/), [Source Code](https://github.com/gogs/gogs)) `MIT``Go`
- [Kallithea](https://kallithea-scm.org/) - Source code management system that supports two leading version control systems, Mercurial and Git, with a web interface. ([Source Code](https://kallithea-scm.org/repos/kallithea)) `GPL-3.0``Python`
- [Lavagna](https://lavagna.io) - Lavagna is an open-source issue/project management tool designed for small teams. Lightweight, pure Java, easy to install, easy to use. ([Source Code](https://github.com/digitalfondue/lavagna)) `GPL-3.0``Java`
- [Lazylead](https://lazylead.org) `⚠` - Eliminate the annoying work within ticketing systems (Jira, GitHub, Trello). Allows to automate daily actions like tickets fields verification, email notifications by JQL/GQL, meeting requests to your (or teammates) calendar. ([Source Code](https://github.com/dgroup/lazylead)) `MIT``Ruby`
- [Leantime](https://leantime.io) - Leantime is a lean project management system for small teams and startups helping to manage projects from ideation through delivery. ([Source Code](https://github.com/leantime/leantime)) `GPL-2.0``PHP`
- [Mindwendel](https://www.mindwendel.com/) - Brainstorm and upvote ideas and thoughts within your team. ([Demo](https://www.mindwendel.com), [Source Code](https://github.com/mindwendel/mindwendel)) `AGPL-3.0``Docker/Elixir`
- [Octobox](https://octobox.io/) `⚠` - Take back control of your GitHub Notifications. ([Source Code](https://github.com/octobox/octobox)) `AGPL-3.0``Ruby`
- [Pagure](https://pagure.io/pagure) - A lightweight, powerful, and flexible git-centric forge with features laying the foundation for federated and decentralized development. ([Demo](https://pagure.io/)) `GPL-2.0``Python`
- [Party Poker](https://github.com/kksoftwareag/partypoker) - Agile / Scrum Planning Poker WebApp. Estimate User Stories in real time. ([Demo](https://planningpoker.party)) `MIT``C#`
- [Phorge](https://we.phorge.it/) - Phorge is an open source, community driven platform for collaborating, managing, organizing and reviewing software development projects. ([Source Code](https://we.phorge.it/source/phorge/)) `Apache-2.0``PHP`
- [ProjeQtOr](https://www.projeqtor.org/) - A complete, mature, multi-user project management system with extensive functionality for all phases of a project. ([Demo](https://demo.projeqtor.org/), [Source Code](https://sourceforge.net/p/projectorria/code/HEAD/tree/branches/)) `AGPL-3.0``PHP`
- [Redmine](https://www.redmine.org/) - Redmine is a flexible project management web application. ([Demo](http://demo.redmine.org/), [Source Code](https://svn.redmine.org/redmine/)) `GPL-2.0``Ruby`
- [RhodeCode](https://rhodecode.com/) - RhodeCode is an open source platform for software development teams. It unifies and simplifies repository management for Git, Subversion, and Mercurial. ([Source Code](https://code.rhodecode.com/)) `AGPL-3.0``Python`
- [SCM Manager](https://www.scm-manager.org/) - The easiest way to share and manage your Git, Mercurial and Subversion repositories over http. ([Source Code](https://github.com/scm-manager/scm-manager)) `BSD-3-Clause``Java`
- [Sourcehut](https://sourcehut.org/) - A full web git interface with no javascript. ([Demo](https://sr.ht/), [Source Code](https://git.sr.ht/~sircmpwn/git.sr.ht/tree)) `GPL-2.0``Go`
- [Taiga](https://www.taiga.io/) - Agile Project Management Tool based on the Kanban and Scrum methods. ([Source Code](https://github.com/kaleidos-ventures)) `MPL-2.0``Docker/Python/Nodejs`
- [Titra](https://titra.io/) - Time-tracking solution for freelancers and small teams. ([Source Code](https://github.com/kromitgmbh/titra)) `GPL-3.0``Javascript`
- [Traq](https://traq.io/) - Project management and issue tracking system written in PHP. ([Source Code](https://github.com/nirix/traq)) `GPL-3.0``PHP/Nodejs`
- [Tuleap](https://www.tuleap.org/) - Tuleap is a libre suite to plan, track, code and collaborate on software projects. ([Source Code](https://tuleap.net/plugins/git/tuleap/tuleap/stable?p=tuleap%2Fstable.git&a=tree)) `GPL-2.0``PHP`
- [UVDesk](https://www.uvdesk.com/) - UVDesk community is a service oriented, event driven extensible opensource helpdesk system that can be used by your organization to provide efficient support to your clients effortlessly whichever way you imagine. ([Demo](https://demo.uvdesk.com/), [Source Code](https://github.com/uvdesk/community-skeleton)) `MIT``PHP`
- [Bencher](https://bencher.dev/) - Bencher is a suite of continuous benchmarking tools designed to catch performance regressions in CI. ([Source Code](https://github.com/bencherdev/bencher)) `MIT/Apache-2.0``Rust`
- [Sorry Cypress](https://sorry-cypress.dev) - Alternative open-source dashboard for the Cypress browser automation framework, featuring unlimited parallelization, recording and debugging of tests. ([Source Code](https://github.com/sorry-cypress/sorry-cypress)) `MIT``Typescript`
- [Touca](https://touca.io) - Continuous regression testing for engineering teams. Get feedback when you write code that could break your software. ([Source Code](https://github.com/trytouca/trytouca)) `Apache-2.0``Docker/Nodejs`
[Static site generators](https://en.wikipedia.org/wiki/Web_template_system#Static_site_generators) generate full static HTML websites based on raw data, plain text files and a set of templates.
[Uptime](https://en.wikipedia.org/wiki/Uptime) is a measure of system reliability, expressed as the percentage of time a machine, typically a computer, has been working and available.
- [cState](https://cstate.netlify.app/) - Static status page for hyperfast Hugo. Clean design, minimal JS, super light HTML/CSS, high customization, optional admin panel, read-only API, IE8+. Best used with Netlify, Docker. ([Demo](https://cstate.mnts.lt/), [Source Code](https://github.com/cstate/cstate)) `MIT``Go`
- [StatPing.ng](https://statping-ng.github.io/) - An easy to use Status Page for your websites and applications. Statping will automatically fetch the application and render a beautiful status page with tons of features for you to build an even better status page. ([Source Code](https://github.com/statping-ng/statping-ng)) `GPL-3.0``Docker/Go`
- [Focalboard](https://www.focalboard.com/) - An open source, self-hosted alternative to Trello, Notion, and Asana. It helps define, organize, track and manage work across individuals and teams. ([Source Code](https://github.com/mattermost/focalboard), [Clients](https://www.focalboard.com/download/personal-edition/desktop/)) `MIT/AGPL-3.0/Apache-2.0``Nodejs/Go`
- [myTinyTodo](https://www.mytinytodo.net/) - Simple way to manage your todo list in AJAX style. Uses PHP, jQuery, SQLite/MySQL. GTD compliant. ([Demo](https://www.mytinytodo.net/demo/), [Source Code](https://github.com/maxpozdeev/mytinytodo/)) `GPL-2.0``PHP`
- [Our Shopping List](https://github.com/nanawel/our-shopping-list) - Simple shared list application. Typical uses include shopping lists of course, and any other small todo-list that needs to be used collaboratively. ([Demo](https://osl.lanterne-rouge.info/)) `AGPL-3.0``Docker`
- [TaskBoard](https://taskboard.matthewross.me/) - Kanban-inspired app for keeping track of things that need to get done. ([Demo](https://taskboard.matthewross.me/demo.html), [Source Code](https://github.com/kiswa/TaskBoard)) `MIT``PHP`
- [Tasks](https://github.com/m1guelpf/tasks) - Simple tasks and notes manager written in PHP, jQuery and Bootstrap using a custom flat file database. `MPL-2.0``PHP`
- [Taskwarrior](https://taskwarrior.org/) - Taskwarrior is Free and Open Source Software that manages your TODO list from your command line. It is flexible, fast, efficient, and unobtrusive. It does its job then gets out of your way. ([Source Code](https://taskwarrior.org/download/#git)) `MIT``C++`
- [todoMini](https://www.todomini.app/) - Mobile friendly zero-feature TODO list web app. Unix philosophy. ([Demo](https://appmini.github.io/todoMini/?demo), [Source Code](https://github.com/appMini/todoMini)) `GPL-3.0``PHP/Java`
- [Tracks](https://www.getontracks.org/) - Web-based application to help you implement David Allen’s [Getting Things Done™](https://en.wikipedia.org/wiki/Getting_Things_Done) methodology. ([Source Code](https://github.com/TracksApp/tracks)) `GPL-2.0``Ruby`
- [Vikunja](https://vikunja.io/) - The to-do app to organize your life. ([Demo](https://try.vikunja.io/login), [Source Code](https://kolaente.dev/vikunja/)) `GPL-3.0``Go`
[Helpdesk](https://en.wikipedia.org/wiki/Help_desk_software), [bug](https://en.wikipedia.org/wiki/Bug_tracking_system) and [issue](https://en.wikipedia.org/wiki/Issue_tracking_system) tracking software to help the tracking of user requests, bugs and missing features.
- [Bugzilla](https://www.bugzilla.org/) - General-purpose bugtracker and testing tool originally developed and used by the Mozilla project. `MPL-2.0``Perl`
- [django-todo](http://django-todo.org/) - Pluggable, multi-user, multi-group, multi-list todo and ticketing system - a reusable app designed to be dropped into any existing Django project. ([Source Code](https://github.com/shacker/django-todo)) `BSD-3-Clause``Python/Django`
- [Erxes](https://erxes.io/install/) - Marketing, sales, and customer service platform designed to help businesses attract more engaged customers. ([Demo](https://demo.erxes.io/), [Source Code](https://github.com/erxes/erxes)) `GPL-3.0``Javascript`
- [FreeScout](https://github.com/freescout-helpdesk/freescout) - Open source clone of Help Scout: email-based customer support application, help desk and shared mailbox. `AGPL-3.0``PHP`
- [Iguana](https://github.com/iguana-project/iguana) - Iguana is an open source issue management system with a kanban board. `CC-BY-SA-4.0``Python/Docker`
- [ITFlow](https://itflow.org) - Client IT Documentation, Ticketing, Invoicing and Accounting Web Application for MSPs (Managed Service Providers). ([Demo](https://demo.itflow.org), [Source Code](https://github.com/itflow-org/itflow)) `GPL-3.0``PHP`
- [OpenSupports](https://www.opensupports.com/) - Multi language ticket system with FAQ, role management, metrics and canned response features. ([Demo](https://www.opensupports.com/demo/), [Source Code](https://github.com/opensupports/opensupports)) `GPL-3.0``PHP`
- [osTicket](https://osticket.com/) - Manage, organize and archive all your support requests and responses in one place. ([Source Code](https://github.com/osTicket/osTicket)) `GPL-2.0``PHP`
- [OTOBO](https://otobo.de/en/) - Flexible web-based ticketing system used for Customer Service, Help Desk, IT Service Management. ([Demo](https://otobo.de/en/open-source-ticketing-system/#demos), [Source Code](https://github.com/RotherOSS/otobo)) `GPL-3.0``Perl`
- [Pachno](https://pach.no/) - Bring your team together to design, build and deliver your project with a tool that works with you and your team, and adapts when you need to. ([Source Code](https://github.com/pachno/pachno)) `MPL-2.0``PHP`
- [Peppermint](https://peppermint.sh/) - A simple ticket management tool with support for logs and multi-deployment. ([Source Code](https://github.com/Peppermint-Lab/peppermint)) `AGPL-3.0``Docker`
- [Roundup Issue Tracker](https://www.roundup-tracker.org/) - A simple-to-use and -install issue-tracking system with command-line, web, REST, XML-RPC, and e-mail interfaces. Designed with flexibility in mind - not just another bug tracker. ([Source Code](https://www.roundup-tracker.org/code.html)) `MIT/ZPL-2.0``Python`
- [Trudesk](https://trudesk.io/) - Trudesk is an open-source help desk/ticketing solution. ([Source Code](https://github.com/polonel/trudesk)) `Apache-2.0``Nodejs`
- [Zammad](https://zammad.org/) - Easy to use but powerful open-source support and ticketing system. ([Source Code](https://github.com/zammad/zammad)) `AGPL-3.0``Ruby`
[Time-tracking software](https://en.wikipedia.org/wiki/Time-tracking_software) is a category of computer software that allows its users to record time spent on tasks or projects.
- [ActivityWatch](https://activitywatch.net) - An app that automatically tracks how you spend time on your devices. ([Source Code](https://github.com/ActivityWatch/activitywatch)) `MPL-2.0``Python`
- [Kimai](https://www.kimai.org/) - Kimai is a free & open source timetracker. It tracks work time and prints out a summary of your activities on demand. ([Demo](https://www.kimai.org/demo/), [Source Code](https://github.com/kevinpapst/kimai2/)) `MIT``PHP`
- [TimeTagger](https://timetagger.app) - An open source time-tracker based on an interactive timeline and powerful reporting. ([Demo](https://timetagger.app/app/demo), [Source Code](https://github.com/almarklein/timetagger)) `GPL-3.0``Python`
- [Traggo](https://traggo.net/) - Traggo is a tag-based time tracking tool. In Traggo there are no tasks, only tagged time spans. ([Source Code](https://github.com/traggo/server)) `GPL-3.0``Docker/Go`
[URL shortening](https://en.wikipedia.org/wiki/URL_shortening) is the action of shortening a [URL](https://en.wikipedia.org/wiki/Uniform_Resource_Locator) to make it substantially shorter and still direct to the required page.
- [Kutt](https://kutt.it) - A modern URL shortener with support for custom domains. ([Source Code](https://github.com/thedevs-network/kutt)) `MIT``Nodejs`
- [Shlink](https://shlink.io) - URL shortener with REST API and command line interface. Includes official progressive web application and docker images. ([Source Code](https://github.com/shlinkio/shlink), [Clients](https://shlink.io/apps)) `MIT``PHP`
- [Simple-URL-Shortener](https://github.com/azlux/Simple-URL-Shortener) - KISS URL shortener, public or private (with account). Minimalist and lightweight. No dependencies. ([Demo](https://u.azlux.fr)) `MIT``PHP`
- [YOURLS](https://yourls.org/) - YOURLS is a set of PHP scripts that will allow you to run Your Own URL Shortener. Features include password protection, URL customization, bookmarklets, statistics, API, plugins, jsonp. ([Source Code](https://github.com/YOURLS/YOURLS)) `MIT``PHP`
A [virtual private network (VPN)](https://en.wikipedia.org/wiki/Virtual_private_network) extends a private network across a public network and enables users to send and receive data across shared or public networks as if their computing devices were directly connected to the private network.
A [web server](https://en.wikipedia.org/wiki/Web_server) is a piece of software and underlying hardware that accepts requests via [HTTP](https://en.wikipedia.org/wiki/Hypertext_Transfer_Protocol) (the network protocol created to distribute web content) or its secure variant [HTTPS](https://en.wikipedia.org/wiki/HTTPS).
_See also: [Wikimatrix](https://www.wikimatrix.org/), [Wiki Engines - WikiIndex](https://wikiindex.org/Category:Wiki_Engine), [List of wiki software - Wikipedia](https://en.wikipedia.org/wiki/List_of_wiki_software), [Comparison of wiki software - Wikipedia](https://en.wikipedia.org/wiki/Comparison_of_wiki_software)_
- [BookStack](https://www.bookstackapp.com/) - BookStack is a simple, self-hosted, easy-to-use platform for organizing and storing information. It allows for documentation to be stored in a book like fashion. ([Demo](https://www.bookstackapp.com/#demo), [Source Code](https://github.com/BookStackApp/BookStack)) `MIT``PHP`
- [django-wiki](https://github.com/django-wiki/django-wiki) - Wiki system with complex functionality for simple integration and a superb interface. Store your knowledge with style: Use django models. ([Demo](https://demo.django-wiki.org/)) `GPL-3.0``Python`
- [Documize](https://documize.com) - Modern Docs + Wiki software with built-in workflow, single binary executable, just bring MySQL/Percona. ([Source Code](https://github.com/documize/community)) `AGPL-3.0``Go`
- [Dokuwiki](https://www.dokuwiki.org/DokuWiki) - Easy to use, lightweight, standards-compliant wiki engine with a simple syntax allowing reading the data outside the wiki. All data is stored in plain text files, therefore no database is required. ([Source Code](https://github.com/splitbrain/dokuwiki)) `GPL-2.0``PHP`
- [Gitit](https://github.com/jgm/gitit) - Wiki program that stores pages and uploaded files in a git repository, which can then be modified using the VCS command line tools or the wiki's web interface. `GPL-2.0``Haskell`
- [Gollum](https://github.com/gollum/gollum) - Simple, Git-powered wiki with a sweet API and local frontend. `MIT``Ruby`
- [Instiki](https://golem.ph.utexas.edu/wiki/instiki/show/HomePage) - Instiki is a wiki clone so pretty and easy to set up, you'll wonder if it’s really a wiki. Runs on Rails and focuses on portability and stability. ([Source Code](https://github.com/parasew/instiki)) `Ruby``Ruby`
- [Mediawiki](https://www.mediawiki.org/wiki/MediaWiki) - MediaWiki is a free and open-source wiki software package written in PHP. It serves as the platform for Wikipedia and the other Wikimedia projects, used by hundreds of millions of people each month. ([Demo](https://en.wikipedia.org/wiki/Main_Page), [Source Code](https://phabricator.wikimedia.org/diffusion/MW/)) `GPL-2.0``PHP`
- [Outline](https://www.getoutline.com/) `⚠` - An open, extensible, wiki for your team. ([Source Code](https://github.com/outline/outline)) `BSD-3-Clause``Nodejs`
- [Pepperminty Wiki](https://github.com/sbrl/Pepperminty-Wiki) - Complete markdown-powered wiki contained in a single PHP file. ([Demo](https://starbeamrainbowlabs.com/labs/peppermint/build/)) `MPL-2.0``PHP`
- [PukiWiki](https://pukiwiki.osdn.jp/) - PukiWiki is a free, simple, open-source wiki management system. Minimalistic and simple design with many tools for collaborative work. Created in Japanese, so translator needed. ([Source Code](https://ja.osdn.net/projects/pukiwiki/scm/git/pukiwiki/)) `GPL-2.0``PHP`
- [Raneto](https://raneto.com/) - Raneto is an open source Knowledgebase platform that uses static Markdown files to power your Knowledgebase. ([Source Code](https://github.com/ryanlelek/Raneto)) `MIT``Nodejs`
- [Tiki](https://tiki.org/HomePage) - Wiki CMS Groupware with the most built-in features. ([Demo](https://tiki.org/Try-Tiki), [Source Code](https://sourceforge.net/p/tikiwiki/code/HEAD/tree/)) `LGPL-2.1``PHP`
- [TWiki](https://twiki.org/) - TWiki is a Perl-based structured wiki application, typically used to run a collaboration platform, knowledge or document management system, a knowledge base, or team portal. ([Demo](https://twiki.org/cgi-bin/view/Sandbox/WebHome), [Source Code](http://svn.twiki.org/svn/twiki/)) `GPL-2.0``Perl`
- [WackoWiki](https://wackowiki.org/) - WackoWiki is a light and easy to install multilingual Wiki-engine. ([Source Code](https://github.com/WackoWiki/wackowiki)) `BSD-3-Clause``PHP`
- [Wiki.js](https://js.wiki/) - Modern, lightweight and powerful wiki app using Git and Markdown. ([Demo](https://docs.requarks.io), [Source Code](https://github.com/Requarks/wiki)) `AGPL-3.0``Nodejs`
- [WiKiss](https://wikiss.tuxfamily.org/) - Wiki, simple to use and install. ([Source Code](https://svnweb.tuxfamily.org/listing.php?repname=wikiss/svn&path=%2F&sc=0)) `GPL-2.0``PHP`
- [XWiki](https://www.xwiki.org) - Second generation wiki that allows the user to extend its functionalities with a powerful extension-based architecture. ([Demo](https://playground.xwiki.org), [Source Code](https://github.com/xwiki/xwiki-platform)) `LGPL-2.1``Java`
- [Zim](https://zim-wiki.org/) - Graphical text editor used to maintain a collection of wiki pages. Each page can contain links to other pages, simple formatting and images. ([Source Code](https://github.com/zim-desktop-wiki/zim-desktop-wiki)) `GPL-2.0``Python`
- Lists of software aimed at privacy and decentralization in some form: [PRISM Break](https://prism-break.org/en/), [privacytools.io](https://www.privacytools.io/), [Alternative Internet](https://redecentralize.github.io/alternative-internet/), [Libre Projects](https://libreprojects.net/)
