Awesome-Selfhosted

Selfhosting is the process of locally hosting and managing applications instead of renting from SaaS providers.

This is a list of Free Software network services and web applications which can be hosted locally. Non-Free software is listed on the Non-Free page.

See Contributing.

• Analytics
• Automation
• Blogging Platforms
• Bookmarks & Link Sharing
• Calendar and Address Books
• Communication systems
  • Custom
  • Email
    • Complete solutions
    • Mail Transfer Agents
    • Mail Delivery Agents
    • Mailing lists and newsletters
    • Webmail clients
  • IRC
  • SIP
  • IPBX
  • Social Networks and Forums
  • XMPP
    • XMPP Servers
    • XMPP Web Clients
• Conference Management
• Content Management Systems (CMS)
  • E-commerce
• DNS
• Document Archiving
• Enterprise Resource Planning
• Federated Identity/Authentication
• Feed Readers
• File Sharing and Synchronization
  • Distributed filesystems
  • File transfer/synchronization
  • Peer-to-peer filesharing
  • Single-click/drag-n-drop upload
  • Web based file managers
• Games
• Gateways
• Groupware
• Human Resources Management (HRM)
• Learning and Courses
• Maps & GPS
• Media Streaming
  • Audio Streaming
  • Video Streaming
• Misc/Other
• Money, Budgeting and Management
• Monitoring
• Note-taking & Editors
• Office Suites
• Password Managers
• Pastebins
• Personal Dashboards
• Photo and Video Galleries
• Polls and Events
• Proxy
• Read it Later Lists
• Search Engines
• Software Development
  • Project Management
  • Bug Trackers
  • IDE/Tools
  • Continuous Integration
  • API Management
  • Documentation Generators
  • Localization
• Static site generators
• Task management/To-do lists
• Ticketing
• URL Shorteners
• VPN
• Web servers
• Wikis
• Self-hosting Solutions
• List of Licenses
• External links
• Contributing
• License

Analytics

For personal analytics/dashboards, see Personal Dashboards

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Web Analytics

• AWStats - Generates web, streaming, ftp or mail server statistics graphically. (Source Code) GPLv3 Perl
• Countly - Real time mobile & web analytics, crash reporting and push notifications platform. (Source Code) AGPLv3 Javascript
• Druid - A distributed, column-oriented, real-time analytics data store. (Source Code) Apache Java
• GoAccess - Real-time web log analyzer and interactive viewer that runs in a terminal. (Source Code) GPLv2 C
• Open Web Analytics - Google Analytics and Piwik alternative. (Source Code) GPLv2 PHP
• Piwik - Leading open-source analytics platform that gives you more than just powerful analytics. (Source Code) GPLv3 PHP
• Rakam - Custom analytics platform that allows you to create your own analytics services. Integrate with any data source (web, mobile, IoT etc.), analyze data with SQL and create dashboards. (Source Code) Apache Java
• Serposcope - Serposcope is a free and open-source rank tracker to monitor websites ranking in Google and improve your SEO performances. (Source Code) MIT Java
• Snowplow - Have every single event, from your websites, mobile apps, desktop applications and server-side systems, stored in your own data warehouse and available to action in real-time. (Source Code) Apache Scala
• ThinkUp - Insights into your social networking activity on Twitter, Facebook, Instagram, and beyond. (Source Code) GPLv3 PHP

Business Intelligence

• Metabase - Simple Dashboarding and GUI Query tool, Nightly Emails and Slack Integration w/ PostgreSQL, MySQL, Redshift and other DBs. (Source Code) AGPLv3 Clojure
• Redash - connect to over 18 types of databases (SQL and “NoSQL”), query your data, visualize it and create dashboards. Everything has a URL that can be shared. Slack and HipChat integration. (Demo, Source Code) BSD Python

Automation

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• Alltube - A web interface for youtube-dl, a program to download videos and audio from more than 100 websites. (Demo, Source Code) GPL PHP
• AmIUnique - Learn how identifiable you are on the Internet (browser fingerprinting tool). (Source Code) MIT Java
• bip.io - Web Automation For People And Robots - Drag, Drop, and Connect The Services You Love. (Source Code) GPLv3 Nodejs
• CouchPotato - CouchPotato is an automatic Video Library Manager for Movies. Automatic torrent/nzb searching, downloading, and processing at the qualities you want. (Source Code) GPLv3 Python
• Episodes - ⚠ Self Hosted TV show Episode tracker and recommender built using django, bootstrap4. MIT Python
• FHEM - 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) GPLv3 Perl
• Headphones - An automated music downloader for NZB and Torrent, written in Python. It supports SABnzbd, NZBget, Transmission, µTorrent, Deluge and Blackhole. GPLv3 Python
• Healthchecks - Django app which listens for pings and sends alerts when pings are late. (Source Code) BSD Python
• Home Assistant - An open-source home automation platform. (Demo, Source Code) MIT Python
• homebank-converter - A web app to convert an export bank file to compatible Homebank csv. (Demo) AGPLv3 HTML5
• Huginn - Allows you to build agents that monitor and act on your behalf. MIT Ruby
• Http2pic - Website screenshots/renderer. It uses the wkhtmltox to render websites with various options. (Source Code) Apache 2.0 PHP/Javascript
• Medusa - 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. GPLv3 Python
• Node RED - A browser-based flow editor that helps you wiring hardware devices, APIs and online services to create IoT solutions. (Source Code) Apache Nodejs
• openHAB - Vendor and technology agnostic open source software for home automation. (Source Code) EPLv1 Java
• Poffer ⚠ - A tool that makes it easier to share the content you like thanks to Pocket+Buffer. (Source Code) MIT Nodejs
• pyLoad - Lightweight, customizable and remotely manageable downloader for 1-click-hosting sites like rapidshare.com or uploaded.to. (Source Code) GPLv3 Python
• Radarr - Radarr is an independent fork of Sonarr reworked for automatically downloading movies via Usenet and BitTorrent, à la Couchpotato. (Source Code) GPLv3 C#
• RSS-Bridge - rss-bridge is a PHP project capable of generating ATOM feeds for websites which don’t have one. Public domain PHP
• RSS Merger - PHP script which will take multiple RSS / Atom feeds as input and merge them into a single RSS feed. GPLv2 PHP
• SickRage - SickRage is an automatic Video Library Manager for TV Shows. Automatic torrent/nzb searching, downloading, and processing at the qualities you want. (Source Code) GPLv3 Python
• Sonarr - An 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) GPLv3 C#
• TriggerHappy - An opensource clone of IFTTT, a bridge between your internet services. (Source Code) BSD Python
• WebUI-aria2 - Interface to interact with the aria2 downloader. Very simple to use, just download and open index.html in any web browser. (Demo) MIT HTML5
• WTFDYUM ⚠ - Why The Fuck Did You Unfollow Me - Find out who stops following you on Twitter. (Demo, Source Code) Apache Java
• Zenbot 3 - Zenbot is a lightweight, extendable, artificially intelligent trading bot for Bitcoin, Ether, Litecoin, and more. (Demo, Source Code) MIT Node.js

Blogging Platforms

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See also Static Site Generators, Content Management Systems and WeblogMatrix

• Anchor CMS - Anchor is a free, lightweight, faster-than-a-bullet, simple blogging system, made for art–directed posts. (Source Code) GPLv3 PHP
• Antville - Antville is a free, open source project aimed at the development of a high performance, feature rich weblog hosting software. (Source Code) Apache Javascript
• Blogotext - A free blog-engine written in PHP and using SQLite. This offers you both an unmatched simplicity during installation and great performances. (Source Code) MIT PHP
• Bludit ⚠ - 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, Source Code) MIT PHP
• Chyrp - An extra-awesome, extra-lightweight blog engine. MIT PHP
• Dotclear - Take control over your blog. (Source Code) GPLv2 PHP
• Formtools - Powerful, flexible, free and open source PHP/MySQL script to manage your forms and data. (Source Code) GPLv2 PHP
• Ghost - Just a blogging platform. (Source Code) MIT Nodejs
• Hexo - A fast, simple & powerful blog framework, powered by Node.js. (Source Code) MIT Nodejs
• Hotglue - HOTGLUE is a freehand CMS which allows to construct websites directly in a web-browser. It uses flat files for storage and provides an intuitive GUI. (Demo, Source Code) GPLv3 PHP
• htmly - Databaseless Blogging Platform (Flat-File Blog). (Demo, Source Code) GPLv2 PHP
• Known - A single website for all your content. (Source Code) Apache PHP
• Noddity - It’s a blog, it’s a wiki, it’s a fast CMS. (Source Code) WTFPL Nodejs
• PluXml - XML-based blog/CMS platform. (Source Code) GPL PHP
• Postleaf - An open source blogging platform with inline editing, handlebar templates, and a beautiful user interface. (Source Code) GPLv3 PHP
• Solo - A blogging system written in Java, feel free to create your or your team own blog. (Demo, Source Code) Apache Java
• Wagtail - A Django content management system focused on flexibility and user experience. (Source Code) BSD Python
• WordPress - Create a beautiful website or blog. (Source Code) GPLv2 PHP

Bookmarks & Link Sharing

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• Bookie - Python based delicious.com replacement. AGPLv3 Python
• dyu/bookmarks - Single-threaded/process bookmark app powered by leveldb and uWebSockets. Supports importing from Delicious and Chrome. (Demo) Apache Java
• Firefox Auth Server - This project implements the core server-side API for Firefox Accounts. (Source Code) MPLv2 Nodejs
  • Firefox Content Server - Static server that hosts Firefox Account sign up, sign in, email verification, etc. flows. (Source Code) MPLv2 Java
  • Firefox Sync Server - Sync Firefox bookmarks, passwords, history, tabs, preferences. (Source Code) MPLv2 Python
• Lobsters - Run your own link aggregation site. (Source Code) BSD Ruby
• No Fuss Bookmarks - Very simple software and service to store bookmarks especially designed for hackers (that don’t need fancy interfaces, but nice API). (Source Code) GPLv3 Python
• Pinry - The tiling image board system for people who want to save, tag, and share images, videos, and webpages. (Source Code) BSD Python
• saveto - An open source, home for the best links on the web. (Source Code) MIT Nodejs
• SemanticScuttle - SemanticScuttle is a social bookmarking tool experimenting with features like structured tags and collaborative tag descriptions. (Source Code) GPLv2 PHP
• Shaarli - Personal, minimalist, super-fast, no-database bookmarking and link sharing plaform. (Demo) Zlib PHP
• unmark - An open source to do app for links. (Source Code) MIT PHP

Calendar and Address Books

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Some Groupware solutions also feature calendar/address book editing and synchronization.

• AgenDAV - Multilanguage CalDAV web client with a rich AJAX interface and shared calendars support. (Source Code) GPLv3 PHP
• Baïkal - Lightweight CalDAV+CardDAV server. (Source Code) GPLv3 PHP
• CalendarServer - A standards-compliant server implementing the CalDAV and CardDAV protocols. Apache Python
• calypso - A python-based CalDAV/CardDAV server. (Source Code) GPLv3 Python
• DAViCal - A server for calendar sharing (CalDAV). (Source Code) MIT PHP
• ownCloud calendar - The ownCloud Calendar app enables you to create and edit events, synchronize to other calendars you might use, and create new, personalized calendars. (Source Code) AGPLv3 PHP
• Radicale - A Simple Calendar and Contact Server. (Source Code) GPLv3 Python
• sabre/dav - A open source CardDAV, CalDAV and WebDAV server. (Source Code) MIT PHP
• InfCloud - An open source CalDAV/CardDAV web client implementation. (Demo, Source Code) AGPLv3 Javascript

Communication systems

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Custom

• Actor - Actor is a fast, open source messaging platform with rich mobile and web clients. (Demo, Source Code) AGPLv3 Scala
• Centrifugo - Language-agnostic real-time messaging (Websocket or SockJS) server. (Demo) MIT Go
• Cherry - A tiny webchat server. GPLv2 Go
• Freenet - Anonymously share files, browse and publish “freesites” (web sites accessible only through Freenet) and chat on forums. (Source Code) GPLv2 Java
• Friends - P2P chat powered by the web. (Source Code) MIT Nodejs
• GNUNet - Free software framework for decentralized, peer-to-peer networking. (Source Code) GPLv3 C
• hack.chat - A minimal, distraction-free chat application. (Source Code) GPLv3 Nodejs
• Hawkpost - 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) MIT Python
• Hubl.in - WebRTC powered video conference, chat and collaborative editor. (Source Code) AGPLv3 Nodejs
• Jitsi Meet - Jitsi Meet is an OpenSource (MIT) WebRTC Javascript application that uses Jitsi Videobridge to provide high quality, scalable video conferences. (Source Code) MIT Javascript
• Jitsi Video Bridge - WebRTC compatible Selective Forwarding Unit (SFU) that allows for multiuser video communication. (Source Code) Apache Java
• Kandan - Kandan is an Open Source Alternative to HipChat. (Source Code) AGPLv3 Ruby
• Lets-Chat - A self hosted chat suite written in Node. (Source Code) MIT Nodejs
• Live Helper Chat - Live Support chat for your website. (Source Code) Apache PHP
• Mattermost - Open-source, on-prem Slack-alternative. It can be integrated with Gitlab. (Source Code) AGPLv3/Apache Go
• MiAOU - A multi-room persistent chat server. (Source Code) MIT Nodejs
• Mibew - 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, Source Code) Apache PHP
• Mumble - Low-latency, high quality voice/text chat software. (Source Code) BSD C++
  • Mumblecop - Stream audio from youtube and soundcloud, simulate dice rolls, or write your own commands with a simple plugin format. MIT Ruby
• Niltalk - A simple, private, persistence-free web based multi-room chat server + client. (Source Code) AGPLv3 Go
• Node-Chat - A not-so-basic open-source chat with admin features. MIT Nodejs
• Pushjet - A self hosted push notification service built with a simple API making sending notifications easy. (Source Code) BSD Python
• Rallly - Rallly is a free collaborative scheduling service. (Source Code) CCBYSA Nodejs
• RetroShare - Secured and decentralized communication system. Offers decentralized chat, forums, messaging, file transfer. (Source Code) GPLv2 С++
• Ring - Free software for universal communication which respects freedoms and privacy of its users. (Source Code) GPLv3 C++
• Rocket.Chat - Teamchat solution similar to Gitter.im or Slack. (Source Code) MIT Nodejs
• Scrollback - Embeddable cross-platform chat for communities. (Source Code) AGPLv3 Nodejs
• Spreed - WebRTC audio/video calls, conferencing server, and web client. (Source Code) AGPLv3 Go
• Synapse - A server for Matrix, an open standard for decentralized persistent communication. (Source Code) Apache Python
  • Matrix Console Web - A web client meant to be a showcase of Matrix capabilities, and reference implementation of the Matrix standard. (Source Code) Apache Javascript
  • RIOT - A glossy Matrix web client with an emphasis on performance and usability. (Source Code) Apache Javascript
• Syndie - Syndie is a libre system for operating distributed forums. CC0 Java
• TextBelt ⚠ - An outgoing SMS API that uses carrier-specific gateways to deliver your text messages for free, and without ads. MIT Javascript
• Tox - A distributed, secure messenger with audio and video chat capabilities. (Source Code) GPLv3 C
• Tuber - Peer-to-peer video chat that works. (Source Code) MIT Javascript
• Zulip - Zulip is a powerful, open source group chat application. (Source Code) Apache/Other Python

Email

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Complete solutions

simple deployment of a mail server, e.g. for inexperienced or impatient admins.

• Citadel - Feature packed, easy, versatile, and powerful mail server, thanks to exclusive “rooms” based architecture. (Source Code) GPLv3 C
• docker-mailserver - A fullstack but simple mail server (smtp, imap, antispam, antivirus, etc.). Only configuration files, no SQL database. Keep it simple and versioned. Easy to deploy and upgrade. MIT Docker
• iRedMail - Full-featured mail server solution based on Postfix and Dovecot. (Source Code) GPLv3 Shell
• Mailcow - Mail server suite based on Dovecot, Postfix and other open source software, that provides a modern Web UI for administration. (Source Code) GPLv2 PHP
• Mail-in-a-Box - Turns any Ubuntu server into a fully functional mail server with one command. (Source Code) CC0 Shell
• Modoboa - Modoboa is a mail hosting and management platform including a modern and simplified Web User Interface. (Source Code) MIT Python

Mail Transfer Agents

MTAs / SMTP servers

• Courier MTA - Fast, scalable, enterprise mail/groupware server providing ESMTP, IMAP, POP3, webmail, mailing list, basic web-based calendaring and scheduling services. (Source Code) GPLv3 C
• Exim - Message transfer agent (MTA) developed at the University of Cambridge. (Source Code) GPLv3 C
• Haraka - A high-performance, pluginable SMTP server written in Javascript. (Source Code) MIT Javascript
• MailCatcher - 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) MIT Ruby
• Maildrop - Disposable email SMTP server, also useful for development. MIT Scala
• 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 - Secure SMTP server implementation from the OpenBSD project. (Source Code) ISC C
• Postfix - Fast, easy to administer, and secure Sendmail replacement. IPL C
• Qmail - Secure Sendmail replacement. (Source Code) CC0 C
• Sendmail - Message transfer agent (MTA). SENDMAIL C
• Slimta - Mail Transfer Library built on Python. (Source Code) MIT Python

Mail Delivery Agents

MDAs - IMAP/POP3 software

• Cyrus IMAP/POP3 - Intended to be run on sealed servers, where normal users are not permitted to log in. (Source Code) BSD C
• Dovecot - IMAP and POP3 server written primarily with security in mind. (Source Code) MIT/LGPLv2 C
• Piler - feature rich open source email archiving solution. (Source Code) GPLv3 C

Mailing lists and Newsletters

Mailing lists servers and mass mailing software - one message to many recipients.

• Dada Mail - A web-based list management system that can be used for announcement lists and/or discussion lists. (Source Code) GPLv2 Perl
• Mailman - The Gnu mailing list server. GPL Python
• Mailtrain - self hosted newsletter application built on Node.js (v5+) and MySQL (v5.5+ or MariaDB). (Source Code) GPLv3 Nodejs
• MailyHerald - Self-hosted Mailchimp alternative that you can easily integrate with your site. Helps you send and manage your application mailings. It support email marketing and conducting the daily stream of notifications you send to your users. (Source Code) LGPLv3 Ruby
• Mautic - Mautic is marketing automation software (email, social & more). (Source Code) GPLv3 PHP
• phpList - Newsletter and email marketing with advanced management of subscribers, bounces, and plugins. (Source Code) AGPLv3 PHP
• Schleuder - A GPG-enabled mailing list manager with resending-capabilities. (Source Code) GPLv3 Ruby
• Sympa - A mailing list manager. GPLv2 Perl

Webmail clients

• Cypht - A feed reader for your email accounts. (Source Code) GPLv2 PHP
• Mailpile - Webmail client with search, filtering, encryption features and more. (Source Code) AGPLv3 Python
• RainLoop - Simple, modern & fast webmail with IMAP/SMTP Support and multi accounting. (Demo, Source Code). AGPLv3 PHP
• Roundcube - Browser-based IMAP client with an application-like user interface. (Source Code) GPLv3 PHP
• SquirrelMail - Another browser-based IMAP client. (Source Code) GPLv2 PHP
• WebMail Lite - Web-based IMAP Mail client. (Source Code) GPLv3 PHP

IRC

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_IRC communication software_

• Convos - Always online web IRC client. (Demo, Source Code) ARTv2 Perl
• IRCAnywhere - Open-source self-hosted alternative to IRCCloud. (Source Code) GPLv2 Nodejs
• Quassel IRC - distributed IRC client, meaning that one (or multiple) client(s) can attach to and detach from a central core. (Source Code) GPLv2 C++
• Robust IRC - RobustIRC is IRC without netsplits. Distributed IRC server, based on RobustSession protocol. (Source Code) BSD Go
• The Lounge - The self-hosted web IRC client. (Demo, Source Code) MIT Nodejs
• Weechat - A fast, light and extensible chat client. GPLv3 C
• ZNC - An advanced IRC bouncer. (Source Code) Apache C++

SIP

_SIP telephony software_

• Asterisk - An easy to use but advanced IP PBX system, VoIP gateway and conference server. GPLv2 C
• FreeSWITCH - Scalable open source cross-platform telephony platform. (Source Code) MPLv2 C
• Kamailio - Modular SIP server (registrar/proxy/router/etc). (Source Code) GPLv2 C
• Ostel - Secure SIP telephony setup with ZRTP encryption. GPLv3 Ruby

IPBX

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_IPBX telephony software_

• Freepbx - Web-based open source GUI that controls and manages Asterisk. (Source Code) GPLv2 PHP
• Kazoo - KAZOO is an open-source, highly scalable software platform designed to provide carrier-grade VoIP switch functions and features. (Source Code) MPLv1.1 Erlang

Social Networks and Forums

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• Abilian SBE - Open Source Collaboration and Social Networking framework & platform. LGPLv2 Python
• Anahita - Open Source Social Networking Framework & Platform. (Source Code) GPLv3 PHP
• Bootcamp - An enterprise social network. (Source Code) MIT Python
• Buddycloud - 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) Apache Java
• BuddyPress - A 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) GPLv2 PHP
• cartulary - RSS reader, readability tool, article archiver, microblogger, social graph manager and reading list manager. CDDL PHP
• diaspora* - Distributed social networking server. (Demo, Source Code) AGPLv3 Ruby
• Discourse - Advanced forum / community solution based on Ruby and JS. (Source Code) GPLv2 Ruby
• dyu/comments - A markdown-enabled comment engine powered by leveldb. (Demo) Apache Java
• Elgg - A powerful open source social networking engine. (Source Code) GPLv2 PHP
• Flarum - Delightfully simple forums. Flarum is the next-generation forum software that makes online discussion fun again. (Source Code) MIT PHP
• flaskbb - 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) BSD Python
• FluxBB - Fast, light, user-friendly forum software for your website. (Source Code) GPLv2 PHP
• Friendica - Social Communication Server. (Source Code) AGPLv3 PHP
• GNU social - Social communication software for both public and private communications. (Source Code) AGPLv3 PHP
• Hubzilla - Decentralized identity, privacy, publishing, sharing, cloud storage, and communications/social platform. (Source Code) MIT PHP
• HumHub - A flexible kit for private social networks. (Source Code) AGPLv3 PHP
• Isso - A lightweight commenting server written in Python and Javascript. It aims to be a drop-in replacement for Disqus. (Source Code) MIT Python
• Jappix - Jappix is an open social platform, that let’s you easily get or keep in touch with everyone. (Source Code) AGPLv3 PHP
• Loomio - Loomio is a collaborative decision-making tool that makes it easy for anyone to participate in decisions which affect them. (Source Code) AGPLv3 Ruby
• Mastodon - Federated microblogging server, an alternative to GNU social. (Source Code) AGPLv3 Ruby
• Movim - A brand new social network, full of awesome features in a modern and smart interface. (Source Code) AGPLv3 PHP
• MyBB - Free, extensible forum software package. (Source Code) LGPLv3 PHP
• Newebe - A Distributed Social Network. (Source Code) AGPLv3 Python
• NodeBB - Node.js based forum software built for the modern web. (Source Code) GPLv3 Nodejs
• OSSN - 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) GPLv2 PHP
• Oxwall - Oxwall is used for a wide range of projects starting from family sites and custom social networks to collaboration tools and enterprise community solutions. (Source Code) CPALv1 PHP
• phpBB - 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) GPLv2 PHP
• PPnet - Create and host your own social network. MIT Javascript
• Pump.io - Stream server that does most of what people really want from a social network. (Source Code) Apache Nodejs
• Reddit - Social networking and news website where registered community members can submit content. (Demo, Source Code) CPALv1 Python
• Symphony - A modern community (forum/SNS/blog) platform written in Java. (Source Code) GPLv3 Java
• Telescope - An open-source social news app built with Meteor. (Demo, Source Code) MIT Nodejs
• Tokumei - Anonymous microblogging platform. (Demo, Source Code) ISC rc
• twister - Fully decentralized P2P microblogging platform leveraging the free software implementations of Bitcoin and BitTorrent protocols. (Source Code) BSD/MIT C++
• Vanilla Forums - Simple and flexible forum software. (Source Code) GPLv2 PHP

XMPP

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Extensible Messaging and Presence Protocol software

XMPP Servers

• ejabberd - XMPP instant messaging server. (Source Code) GPL Erlang
• Kontalk - Kontalk is an Open Source Messenger, similar to WhatsApp (app for android only currently), including end-to-end encryption, server is based on Tigase XMPP Server. (Source Code) GPLv3 Java
• Metronome IM - Fork of Prosody IM. (Source Code) MIT Lua
• MongooseIM - Mobile messaging platform with a focus on performance and scalability. (Source Code) GPLv2 Erlang
• Openfire - Real time collaboration (RTC) server. (Source Code) Apache Java
• Prosody IM - Feature-rich and easy to configure XMPP server. (Source Code) MIT Lua
• Tigase - XMPP server implementation in Java. GPLv3 Java

XMPP Web Clients

• Candy - Multi user XMPP client written in Javascript. (Source Code) MIT Javascript
• Converse.js - A free and open-source XMPP chat client in your browser. (Source Code) MPLv2 Javascript
• JSXC - A 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) MIT Javascript
• Kaiwa - Web based chat client in the style of common paid alternatives. (Source Code) MIT NodeJS
• Salut à Toi - Multipurpose, multi frontend, libre and decentralised communication tool. (Source Code) AGPLv3 Python
  • Libervia - Web frontend from Salut à Toi. (Source Code) AGPLv3 Python

Conference Management

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• Conference Organizing Distribution (COD) - Create conference and event websites built on top of Drupal. (Source Code) GPL PHP
• 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) MIT Ruby
• Open Conference Systems (OCS) - is a free Web publishing tool that will create a complete Web presence for your scholarly conference. (Demo, Source Code) GPL PHP
• OpenConferenceWare - An open source web application for supporting conference-like events. This customizable, general-purpose platform provides proposals, sessions, schedules, tracks, user profiles. (Source Code) MIT Ruby
• osem - Event management tailored to free Software conferences. (Demo, Source Code) MIT Ruby

Content Management Systems (CMS)

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CMS are a practical way to setup a website with many features. CMS often come with third party plugins, themes and functionality that is easy to add and customize to your needs. See also Blogging Platforms and Static Site Generators

• Apostrophe 2 - A node.js CMS with a focus on extensible in-context editing tools. (Demo, Source Code) MIT Nodejs
• Baun - A modern, lightweight, extensible CMS for PHP. (Source Code) MIT PHP
• BigTree CMS - Straightforward, well documented, and capable written with PHP and MySQL. (Source Code) LGPLv2 PHP
• CMS Made Simple - Open source content management system, faster and easier management of website contents, scalable for small businesses to large corporations. (Source Code) GPL PHP
• Concrete 5 CMS - An open source content management system. (Source Code) MIT PHP
• CouchCMS - Simple Open-Source CMS for designers. (Source Code) CPALv1 PHP
• Directus - Directus is a powerful and intuitive headless CMS for managing SQL databases with custom architectures. Built around a robust and extensible API, this decoupled content management framework is perfect for websites, apps, or multi-client projects. (Source Code) GPL PHP
• Drupal - Advanced open source content management platform. (Source Code) GPL PHP
• eLabFTW - An 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, Source Code) AGPLv3 PHP
• GetSimple CMS - The Simplest Content Management System. Ever. (Source Code) GPLv3 PHP
• ImpressPages CMS - Easy code meets easy admin. (Demo, Source Code) GPLv3/MIT PHP
• Joomla! - Advanced Content Management System (CMS). (Source Code) GPL PHP
• KeystoneJS - Node.js CMS & Web Application Platform. (Demo, Source Code) MIT Nodejs
• MODX - MODX is an advanced content management and publishing platform. The current version is called ‘Revolution’. (Source Code) GPLv2 PHP
• Neos - Neos or TYPO3 Neos (for version 1) is a modern, open source CMS based on the Flow framework. (Source Code) GPLv3 PHP
• Noosfero - Noosfero is a web platform for social and solidarity economy networks with blog, e-Portfolios, CMS, RSS, thematic discussion, events agenda and collective inteligence for solidarity economy in the same system. (Source Code) AGPLv3 Ruby
• october - Free, open-source, self-hosted CMS platform based on the Laravel PHP Framework. (Source Code) MIT PHP
• Omeka - 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, Source Code) GPLv3 PHP
• Pagekit - A new modern CMS to create and share. (Source Code) MIT PHP
• Pico - A stupidly simple, blazing fast, flat file CMS. (Source Code) MIT PHP
• Pimcore - Multi-Channel Experience and Engagement Management Platform. (Source Code) BSD PHP
• Plone - Powerful open-source CMS system. (Source Code) Zope Python
• ProcessWire - ProcessWire is an open source content management system (CMS) and web application framework aimed at the needs of designers, developers and their clients. (Source Code) MPLv2 PHP
• Publify - A simple but full featured web publishing software. (Demo, Source Code) MIT Ruby
• REDAXO - A simple, flexible and useful content management system (documentation only available in German). (Source Code) MIT PHP
• Redaxscript - Ultra lightweight CMS for MySQL, SQLite and PostgreSQL. (Demo, Source Code) GPLv3 PHP
• Roadiz - Modern CMS based on a node system which can handle many types of services. (Source Code) MIT PHP
• SilverStripe - Easy to use CMS with powerful MVC framework underlying. (Demo, Source Code) BSD PHP
• Sphido - A fast, lightweight, flat file CMS for PHP. (Source Code) MIT PHP
• SPIP - Publication system for the Internet aimed at collaborative work, multilingual environments, and simplicity of use for web authors. (Source Code) GPLv2 PHP
• Subrion - Subrion is a free open source content management system that allows you to build websites for any purpose. Yes, from blog to corporate mega portal. (Demo, Source Code) GPLv3 PHP
• Textpattern - A flexible, elegant and easy-to-use CMS. (Demo, Source Code) GPLv2 PHP
• TYPO3 - A powerful and advanced CMS with a large community. (Source Code) GPLv2 PHP
• Umbraco - The friendly CMS. Free and open source with an amazing community. (Source Code) MIT .NET
• WordPress - The worlds most-used blogging and CMS engine. (Source Code) GPLv2 PHP

Recipe management

• OpenEats - A recipe management site that allows users to create, store, share and rate recipes, create grocery lists, and more. (Source Code) BSD Python

E-commerce

• Attendize - Ticket selling and event management platform. (Demo, Source Code) AAL PHP
• CoreShop - CoreShop is a e-commerce plugin for Pimcore. (Source Code) GPLv3 PHP
• Magento - Leading provider of open omnichannel innovation. (Demo, Source Code) OSLv3 PHP
• Microweber - Drag and Drop CMS and online shop. (Demo, Source Code) Apache PHP
• OpenCart - Free open source shopping cart solution. (Source Code) GPLv3 PHP
• Open Classifieds - Free open-source, self-hosted CMS for classifieds sites. (Source Code) GPL PHP
• Open eShop - Sell your digital goods with licenses and provide support. (Source Code) GPL PHP
• Osclass - One-stop shop to building your own classifieds marketplace. (Source Code) Apache PHP
• OXID eShop - OXID eShop is a flexible open source e-commerce software with a wide range of functionalities. (Demo, Source Code) GPLv3 PHP
• Open Food Network - An 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) AGPLv3 Ruby
• PrestaShop - PrestaShop offers a free, open-source and fully scalable e-commerce solution. (Demo, Source Code) OSLv3 PHP
• Pretix - Django based ticket sales platform for events. (Source Code) Apache Python
• Shuup - Django powered fully customizable open source e-commerce framework for small and large sites. (Demo, Source Code) AGPLv3 Python
• Sylius - Symfony2 powered open source full-stack platform for eCommerce. (Demo, Source Code) MIT PHP
• Thelia - Thelia is an open source and flexible e-commerce solution. (Demo, Source Code) LGPL PHP
• WooCommerce - WordPress based e-commerce solution. (Source Code) GPL PHP

DNS

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See https://github.com/n1trux/awesome-sysadmin#dns

Document Archiving

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• CUPS - The Common Unix Print System uses Internet Printing Protocol (IPP) to support printing to local and network printers. (Source Code) GPLv2 C
• Paperless - Scan, index, and archive all of your paper documents. GPLv3 Python
• SANE Network Scanning - allow remote clients to access image acquisition devices (scanners) available on the local host. (Source Code) GPLv2 C

Enterprise Resource Planning

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• ERPNext - Free open source ERP system. (Demo, Source Code) GPLv3 Python
• Odoo - Free open source ERP system. (Demo, Source Code) LGPLv3 Python
• Tryton - Free open source business solution. (Demo, Source Code) GPLv3 Python

Federated Identity/Authentication

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See https://github.com/n1trux/awesome-sysadmin#identity-management

Feed Readers

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• CommaFeed - Google Reader inspired self-hosted RSS reader. (Source Code) Apache Java
• Creaky Coot - Minimalist and responsive RSS reader and links saver. (Source Code) MIT PHP
• Feedbin - A simple, fast and nice looking RSS reader. (Source Code) MIT Ruby
• FeedHQ - FeedHQ is a web-based feed reader. (Source Code) BSD Python
• FreshRSS - A self-hostable RSS feed aggregator. (Demo, Source Code, Mobile app) AGPLv3 PHP
• JARR - JARR (Just Another RSS Reader) is a web-based news aggregator and reader. (Demo, Source Code) AGPLv3 Python
• Kriss Feed - A simple and smart (or stupid) feed reader. (Demo, Source Code) CC0 PHP
• Leed - Leed (for Light Feed) is a Free and minimalist RSS aggregator. (Source Code) AGPLv3 PHP
• Leselys - Your very elegant RSS reader. AGPLv3 Python
• Lite-Reader - Read your feeds on your own machine with a simple and lite application. (Source Code) BSD PHP
• Moonmoon - simple feed agregator (planet like): it only aggregates feeds and spits them out in one single page. (Source Code) BSD PHP
• Miniflux - Miniflux is a minimalist and open source news reader. (Source Code) AGPLv3 PHP
  • RSSPBRRY - A fresh new RSS feed reader. (Source Code) AGPLv3 PHP
• NewsBlur - NewsBlur is a personal news reader that brings people together to talk about the world. A new sound of an old instrument. (Source Code) MIT Python
• Nunux Reader - A simple, fast and reactive RSS reader. (Source Code) GPLv3 Nodejs
• Reader-Self - Self-hosted rss reader (php / mysql or sqlite) - Google Reader alternative. (Source Code) GPLv3 PHP
• RSS2EMail - Fetches RSS/Atom-feeds and pushes new Content to any email-reciever, supports OPML. (Source Code) GPLv2 Python
• RSS Monster - 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
• 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 - The new multipurpose rss reader, live stream, mashup, aggregation web application. (Source Code) AGPLv3 PHP
• Stringer - A work-in-progress self-hosted, anti-social RSS reader. MIT Ruby
• Tiny Tiny RSS - Open source web-based news feed (RSS/Atom) reader and aggregator. (Demo) GPLv3 PHP
  • gritttt-rss - More features for Tiny Tiny RSS. (Source Code) BSD Python
  • ttrss-mobile - A mobile webapp for Tiny Tiny RSS. AGPLv3 Javascript
  • ttrss-reader - Light and responsive client for TTRSS. GPLv2 Javascript

File Sharing and Synchronization

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Some Groupware solutions also feature file sharing and synchronization.

Distributed filesystems

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See https://github.com/n1trux/awesome-sysadmin#distributed-filesystems

File transfer/