* https://piwik.org/ - Piwik - Leading open-source analytics platform that gives you more than just powerful analytics. - GNU GPL 3.0
* [Piwik](https://piwik.org/) - Leading open-source analytics platform that gives you more than just powerful analytics. - `GNU GPL 3.0`
## Automation
* https://github.com/cantino/huginn - Huginn - Allows you to build agents that monitor and act on your behalf. Built in Ruby - MIT
* [Huginn](https://github.com/cantino/huginn) - Allows you to build agents that monitor and act on your behalf. Built in Ruby - `MIT`
## Blogging platforms
* [Chyrp](http://chyrp.net/) - An extra-awesome, extra-lightweight blog engine ([Source code](https://github.com/chyrp/chyrp))
* [Dotclear](http://dotclear.org/) - Take control over your blog!
* [Wordpress](https://wordpress.org/) - Create a beautiful website or blog.
* [Blogotext](http://lehollandaisvolant.net/blogotext/en/) - a free blog-engine written in PHP and using SQLite. This offers you both an unmatched simplicity during installation and great performances. ([Source code](https://github.com/timovn/blogotext)
* [Ghost](http://ghost.org/) - Just a blogging platform
* [blosxom](http://blosxom.sourceforge.net/) - a lightweight yet feature-packed weblog application designed from the ground up with simplicity, usability, and interoperability in mind.
* [Anchor CMS](http://anchorcms.com/) - Anchor is a free, lightweight, faster-than-a-bullet, simple blogging system, made for art–directed posts. ([Source code](https://github.com/anchorcms/anchor-cms))
* [Bumpy Booby](http://bumpy-booby.derivoile.fr/) - A simple, responsive and highly customizable PHP bug tracking system. ([Source code](https://github.com/piero-la-lune/Bumpy-Booby))
* [Phproject](http://www.phproject.org/) - A high performance full-featured project management system ([Source code](https://github.com/Alanaktion/phproject), [Demo](http://demo.phproject.org/))
* [Flyspray](http://www.flyspray.org/) - uncomplicated, web-based bug tracking system ([Source code](https://github.com/Flyspray/flyspray))
* [Tinyissue](https://github.com/mikelbring/tinyissue) - Simple Issue Tracking for Teams
* [Kanboard](http://kanboard.net/) - A simple and open source visual task board
* [Taiga.io](https://taiga.io/) - Your Agile, Free and Open Source Project Management Tool ([Source code](https://github.com/taigaio))
* [Gaskit](https://github.com/bkeepers/gaskit) - a git-backed issue tracker. It uses a branch in your local git database to store the tickets.
* [Redmine](http://www.redmine.org/) - Redmine is a flexible project management web application
* [Apache Bloodhound](https://bloodhound.apache.org/) - Manage software products, Keep track of features, tasks and bugs
* [ChiliProject](https://www.chiliproject.org/) - a web based project management system.
## Communication Systems
* https://github.com/IgorAntun/node-chat - Node-Chat - A not-so-basic open-source chat with admin features. - MIT
* [Node-Chat](https://github.com/IgorAntun/node-chat) - A not-so-basic open-source chat with admin features. - `MIT`
## Content Management Systems (CMS)
* [Pagekit](http://pagekit.com/) - A new modern CMS to create and share ([Source code](https://github.com/pagekit/pagekit)) - `MIT`
## Download tools
* [Alltube](https://github.com/Rudloff/alltube) - A web interface for [youtube-dl](https://github.com/rg3/youtube-dl), a program to download videos and audio from [more than 100 websites](https://rg3.github.io/youtube-dl/supportedsites.html) ([Demo](http://alltubedownload.net/))
## File Sharing
* https://coquelicot.potager.org/ - Coquelicot - Coquelicot is a “one-click” file sharing web application with a focus on protecting users’ privacy. - GNU-AGPL 3.0
* [Coquelicot](https://coquelicot.potager.org/) - Coquelicot is a “one-click” file sharing web application with a focus on protecting users’ privacy. - `GNU-AGPL 3.0`
## File Synchronization Tools
* https://www.getsync.com/ - BTSync - BitTorrent Sync by BitTorrent, Inc is a proprietary peer-to-peer file synchronisation tool.
* https://github.com/syncthing/syncthing - Syncthing - Syncthing is an open source peer-to-peer file synchronisation tool - MPL 2.0
* [BTSync](https://www.getsync.com/) - BitTorrent Sync by BitTorrent, Inc is a proprietary peer-to-peer file synchronisation tool.
* [Syncthing](https://github.com/syncthing/syncthing) - Syncthing is an open source peer-to-peer file synchronisation tool - MPL 2.0
## Games
* https://github.com/jatekos101/20euros - 20euros - Clone of 2048 game with euros. - Unlicensed
* https://github.com/Kshitij-Banerjee/Cubiks-2048 - Cubiks-2048 - Clone of 2048 game in 3D. - CCANC 4.0
* https://github.com/huytd/agar.io-clone - Agar.IO Clone - Agar.io clone written with Socket.IO and HTML5 canvas - MIT
* [20euros](https://github.com/jatekos101/20euros) - Clone of 2048 game with euros. - Unlicensed
* [Cubiks-2048](https://github.com/Kshitij-Banerjee/Cubiks-2048) - Clone of 2048 game in 3D. - `CCANC 4.0`
* [Agar.IO Clone](https://github.com/huytd/agar.io-clone) - Agar.io clone written with Socket.IO and HTML5 canvas - `MIT`
## Gateways
* https://github.com/liftoff/GateOne/ - GateOne - Gate One is an HTML5 web-based terminal emulator and SSH client. - AGPL 3.0
* http://guac-dev.org/ - Guacamole - Guacamole is a clientless remote desktop gateway. It supports standard protocols like VNC and RDP. - Copyright
* [GateOne](https://github.com/liftoff/GateOne/) - Gate One is an HTML5 web-based terminal emulator and SSH client. - - `AGPL 3.0`
* [Guacamole](http://guac-dev.org/) - Guacamole is a clientless remote desktop gateway. It supports standard protocols like VNC and RDP. - `Proprietary`
## Groupware
* https://kolab.org/ - http://git.kolab.org/ - Kolab - Kolab community is a unified communication and collaboration system - Various Free Software / Open Source Software Licenses
* http://www.horde.org/ - Horde - The Horde Project is about creating high quality Open Source applications and libraries, based on PHP and the Horde Framework. - GPL + Various Free Software / Open Source Software Licenses
* [http://git.kolab.org/](https://kolab.org/) - Kolab - Kolab community is a unified communication and collaboration system - Various Free Software / Open Source Software Licenses
* [Horde](http://www.horde.org/) - The Horde Project is about creating high quality Open Source applications and libraries, based on PHP and the Horde Framework. - `GPL` + Various Free Software / Open Source Software Licenses
## Media Streaming
* https://plex.tv/ - Plex - Plex is a centralized home media playback system with a powerful central server.
* http://htpc.io/ - HTPC Manager - A fully responsive interface to manage all your favorite media on your HTPC. - MIT
* https://github.com/MediaBrowser/MediaBrowser - Emby - A home media server built using other popular open source technologies. - GNU GPL 2.0
* [Plex](https://plex.tv/) - Plex is a centralized home media playback system with a powerful central server.
* [HTPC Manager](http://htpc.io/) - A fully responsive interface to manage all your favorite media on your HTPC. - `MIT`
* [Emby](https://github.com/MediaBrowser/MediaBrowser) - A home media server built using other popular open source technologies. - `GNU GPL 2.0`
* [IHateMoney](http://ihatemoney.org/) - Manage your shared expenses, easily. - `Proprietary`
## Monitoring
* https://www.nagios.org/ - Nagios - Industry standard monitoring software, which has a lot of plugins and customisation posibilities. - GPL
* [Nagios](https://www.nagios.org/) - Industry standard monitoring software, which has a lot of plugins and customisation posibilities. - `GPL`
## Office Suites
* http://onlyoffice.org/ - Only Office - An office suite that enables you to manage documents, projects, team and customer relations in one place. - GNU AGPL 3.0
* https://ethercalc.org/ - EtherCalc - Web spreadsheet. - CPAL 1.0
* http://etherpad.org/ - Etherpad - Etherpad is a highly customizable Open Source online editor providing collaborative editing in really real-time. - Apache License
* [Only Office](http://onlyoffice.org/) - An office suite that enables you to manage documents, projects, team and customer relations in one place. - GNU - `AGPL 3.0`
* [EtherCalc](https://ethercalc.org/) - Web spreadsheet. - CPAL 1.0
* [Etherpad](http://etherpad.org/) - Etherpad is a highly customizable Open Source online editor providing collaborative editing in really real-time. - `Apache License`
## Photo Galleries
* http://piwigo.org/ - Piwigo - Photo gallery software for the web, built by an active community of users and developers. - GNU GPL 2.0
* https://github.com/electerious/Lychee - Lychee - an open source grid and album based photo-management-system - MIT
* [Piwigo](http://piwigo.org/) - Photo gallery software for the web, built by an active community of users and developers. - `GNU GPL 2.0`
* [Lychee](https://github.com/electerious/Lychee) - an open source grid and album based photo-management-system - `MIT`
* http://friendica.com/ - Friendica - Social Communication Server. GNU-AGPL 3.0
* [Diaspora](https://diasporafoundation.org/) - Distributed social networking service. - `GNU-AGPL-3.0`
* [Friendica](http://friendica.com/) - Social Communication Server. GNU- - `AGPL 3.0`
* [BuddyPress](http://buddypress.org/about/) - 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.
## URL Shorteners
* https://github.com/YOURLS/YOURLS - YOURLS - YOURLS is a set of PHP scripts that will allow you to run Your Own URL Shortener. - MIT
* [YOURLS](https://github.com/YOURLS/YOURLS) - YOURLS is a set of PHP scripts that will allow you to run Your Own URL Shortener. - `MIT`