* [Radicale](http://radicale.org/) - A Simple Calendar and Contact Server
* [calypso](http://keithp.com/calypso/) - a python-based CalDAV/CardDAV server
* [AgenDAV](http://agendav.org/) - Multilanguage CalDAV web client with a rich AJAX interface and shared calendars support
* [AgenDAV](http://agendav.org/) - Multilanguage CalDAV web client with a rich AJAX interface and shared calendars support
* [Baïkal](http://baikal.codr.fr/) - Lightweight CalDAV+CardDAV server
* [Baïkal](http://baikal.codr.fr/) - Lightweight CalDAV+CardDAV server
* [calypso](http://keithp.com/calypso/) - a python-based CalDAV/CardDAV server
* [Radicale](http://radicale.org/) - A Simple Calendar and Contact Server
## Communication Systems
## Communication Systems
@ -109,7 +110,7 @@ Table of Contents
* [Node-Chat](https://github.com/IgorAntun/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`
* [Prosody](http://prosody.im/) – Modern XMPP server written in Lua. `MIT`
* [Prosody](http://prosody.im/) – Modern XMPP server written in Lua. `MIT`
* [Kandan](http://getkandan.com/) – Kandan is an Open Source Alternative to HipChat. - `AGPL`
* [Kandan](http://getkandan.com/) – Kandan is an Open Source Alternative to HipChat. - `AGPL`
* [Kontalk](http://kontalk.org/) – Kontalk is an Open Source Messenger, similiar to WhatsApp (app for android only currently), including end-to-end encryption, server is based on Tigase XMPP Server - [Source code](https://github.com/kontalk)) - `GPLv3`
* [Kontalk](http://kontalk.org/) – Kontalk is an Open Source Messenger, similiar to WhatsApp (app for android only currently), including end-to-end encryption, server is based on Tigase XMPP Server - ([Source code](https://github.com/kontalk)) - `GPLv3`
* [OpenFire](http://www.igniterealtime.org/projects/openfire/) - instant messaging (XMPP) and groupchat server written in Java - `Apache 2.0`
* [OpenFire](http://www.igniterealtime.org/projects/openfire/) - instant messaging (XMPP) and groupchat server written in Java - `Apache 2.0`
* [Rocket.Chat](http://rocket.chat/) – Teamchat solution similar to Gitter.im or Slack - `MIT`
* [Rocket.Chat](http://rocket.chat/) – Teamchat solution similar to Gitter.im or Slack - `MIT`
* [Roundcube](https://roundcube.net) - A web interface to act as an IMAP frontend ([Screenshots](https://roundcube.net/screens/)) ([Source code](https://github.com/roundcube/roundcubemail/)) `GPLv3``PHP`
* [Roundcube](https://roundcube.net) - A web interface to act as an IMAP frontend ([Screenshots](https://roundcube.net/screens/)) ([Source code](https://github.com/roundcube/roundcubemail/)) `GPLv3``PHP`
@ -244,7 +245,7 @@ CMS are a practical way to setup a website with many features. CMS often come wi
## Monitoring and Administration
## Monitoring and Administration
* [Adagios](http://adagios.org/) - Web based Nagios interface for configuration, as well as monitoring (as a replacement to the standard interface), and a REST interface ([Demo](http://demo.adagios.org/), [SourceCode](https://github.com/opinkerfi/adagios), [Documentation](https://github.com/opinkerfi/adagios/wiki) - `GPL-v3.0``Python`
* [Adagios](http://adagios.org/) - Web based Nagios interface for configuration, as well as monitoring (as a replacement to the standard interface), and a REST interface ([Demo](http://demo.adagios.org/), [SourceCode](https://github.com/opinkerfi/adagios), [Documentation](https://github.com/opinkerfi/adagios/wiki)) - `GPL-v3.0``Python`
* [adminer](http://www.adminer.org/) - Database management in a single PHP file ([Source code](https://github.com/vrana/adminer))
* [adminer](http://www.adminer.org/) - Database management in a single PHP file ([Source code](https://github.com/vrana/adminer))
* [Icinga / Icinga 2](https://www.icinga.org/) - Nagios fork that has since lapped nagios several times. Comes with the possibility of clustered monitoring - ([SourceCode](https://github.com/Icinga)) - `GPLv2`
* [Icinga / Icinga 2](https://www.icinga.org/) - Nagios fork that has since lapped nagios several times. Comes with the possibility of clustered monitoring - ([SourceCode](https://github.com/Icinga)) - `GPLv2`
* [linux-dash](https://github.com/afaqurk/linux-dash) - A drop-in, low-overhead monitoring web dashboard for a linux machine ([Demo](http://afaq.dreamhosters.com/linux-dash/))
* [linux-dash](https://github.com/afaqurk/linux-dash) - A drop-in, low-overhead monitoring web dashboard for a linux machine ([Demo](http://afaq.dreamhosters.com/linux-dash/))
@ -287,7 +288,7 @@ CMS are a practical way to setup a website with many features. CMS often come wi
## Pastebins
## Pastebins
* [cryptonote](https://cryptonote.it) - A simple open source web application that lets users encrypt and share messages that can only be read once ([Source code](https://github.com/alainmeier/cryptonote))
* [cryptonote](https://cryptonote.me/) - A simple open source web application that lets users encrypt and share messages that can only be read once ([Source code](https://github.com/alainmeier/cryptonote))
* [hastebin](http://hastebin.com/about.md) - open source pastebin written in node.js ([Source code](https://github.com/seejohnrun/haste-server))
* [hastebin](http://hastebin.com/about.md) - open source pastebin written in node.js ([Source code](https://github.com/seejohnrun/haste-server))
* [snipt](https://snipt.net/) - Long-term memory for coders. Share and store code snippets ([Source code](https://github.com/nicksergeant/snipt/))
* [snipt](https://snipt.net/) - Long-term memory for coders. Share and store code snippets ([Source code](https://github.com/nicksergeant/snipt/))
* [Stikked](https://github.com/claudehohl/Stikked) - An advanced and beautiful pastebin written in PHP
* [Stikked](https://github.com/claudehohl/Stikked) - An advanced and beautiful pastebin written in PHP
@ -332,6 +333,7 @@ CMS are a practical way to setup a website with many features. CMS often come wi
* [Yacy](http://yacy.net/en/index.html) - Peer based, decentralized search engine server `GPL2``Java`
## Social Networks
## Social Networks
@ -344,7 +346,7 @@ CMS are a practical way to setup a website with many features. CMS often come wi
* [Gnu Social](http://gnu.io/social/) - social communication software for both public and private communications
* [Gnu Social](http://gnu.io/social/) - social communication software for both public and private communications
* [Isso](http://posativ.org/isso/) - a 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)) `Python``MIT`
* [Isso](http://posativ.org/isso/) - a 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)) `Python``MIT`
* [Jappix](https://jappix.com/) - Jappix is an open social platform, that let's you easily get or keep in touch with everyone.
* [Jappix](https://jappix.com/) - Jappix is an open social platform, that let's you easily get or keep in touch with everyone.
* [Movim](https://movim.eu/) - A brand new social network, full of awesome features in a modern and smart interface)
* [Movim](https://movim.eu/) - A brand new social network, full of awesome features in a modern and smart interface
* [Pump.io](http://pump.io/) - stream server that does most of what people really want from a social network ([Source code](https://github.com/e14n/pump.io))
* [Pump.io](http://pump.io/) - stream server that does most of what people really want from a social network ([Source code](https://github.com/e14n/pump.io))
* [Red](http://redmatrix.me/) - complete decentralised publishing, sharing, and communications system ([Source code](https://github.com/friendica/red))
* [Red](http://redmatrix.me/) - complete decentralised publishing, sharing, and communications system ([Source code](https://github.com/friendica/red))
* [Fossil](https://www.fossil-scm.org/index.html/doc/trunk/www/index.wiki) `BSD` - Distributed version control system featuring wiki and bug tracker - `C`
* [Fossil](https://www.fossil-scm.org/index.html/doc/trunk/www/index.wiki) `BSD` - Distributed version control system featuring wiki and bug tracker - `C`
* [gitbucket](http://takezoe.github.io/gitbucket/) - The easily installable GitHub clone powered by Scala - ([Source code](https://github.com/takezoe/gitbucket))
* [gitbucket](http://takezoe.github.io/gitbucket/) - The easily installable GitHub clone powered by Scala - ([Source code](https://github.com/takezoe/gitbucket))
* [GitLab](http://gitlab.org/) - Self Hosted Git Management Application - GitLab is open source software to collaborate on code. Manage git repositories with fine grained access controls that keep your code secure. Perform code reviews and enhance collaboration with merge requests. Each project can also have an issue tracker and a wiki ([Public instance](https://git.framasoft.org/)
* [GitLab](http://gitlab.org/) - Self Hosted Git Management Application - GitLab is open source software to collaborate on code. Manage git repositories with fine grained access controls that keep your code secure. Perform code reviews and enhance collaboration with merge requests. Each project can also have an issue tracker and a wiki ([Public instance](https://git.framasoft.org/))
* [Gitlist](http://gitlist.org/) - A 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))
* [Gitlist](http://gitlist.org/) - A 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))
* [Gogs](https://github.com/gogits/gogs) - a painless self-hosted Git Service written in Go. ([Demo](http://try.gogits.org))
* [Gogs](https://github.com/gogits/gogs) - a painless self-hosted Git Service written in Go. ([Demo](http://try.gogits.org))
* [Repo.js](http://darcyclarke.me/dev/repojs/) - A plugin to embed Github repos on your site ([Source code](https://github.com/darcyclarke/Repo.js))
* [Regexr](http://regexr.com/) - RegExr is a HTML/JS based tool for creating, testing, and learning about Regular Expressions. ([Source code](https://github.com/gskinner/regexr/)) `MIT``Nodejs`
* [Regexr](http://regexr.com/) - RegExr is a HTML/JS based tool for creating, testing, and learning about Regular Expressions. ([Source code](https://github.com/gskinner/regexr/)) `MIT``Nodejs`
* [Repo.js](http://darcyclarke.me/dev/repojs/) - A plugin to embed Github repos on your site ([Source code](https://github.com/darcyclarke/Repo.js))
* [Stash](https://www.atlassian.com/software/stash) `⊘ Proprietary` - An enterprise-level Git solution similar to GitLab `Java`
* [Stash](https://www.atlassian.com/software/stash) `⊘ Proprietary` - An enterprise-level Git solution similar to GitLab `Java`
* [Codiad](http://codiad.com/) - a web-based IDE framework with a small footprint and minimal requirements. ([Source code](https://github.com/Codiad/Codiad))
* [Codiad](http://codiad.com/) - a web-based IDE framework with a small footprint and minimal requirements. ([Source code](https://github.com/Codiad/Codiad))
* [Jenkins](https://jenkins-ci.org/) - Continuous Integration Server ([Source Code](https://github.com/jenkinsci/jenkins/) `MIT``Java`
* [Jenkins](https://jenkins-ci.org/) - Continuous Integration Server ([Source Code](https://github.com/jenkinsci/jenkins/))`MIT``Java`
## Text Editors
## Text Editors
* [dillinger](http://dillinger.io/) - The last Markdown editor, ever. ([Source code](https://github.com/joemccann/dillinger/)) `MIT``Nodejs`
* [dillinger](http://dillinger.io/) - The last Markdown editor, ever. ([Source code](https://github.com/joemccann/dillinger/)) `MIT``Nodejs`