* [Ostel](https://dev.guardianproject.info/projects/ostel/wiki/Server_Documentation) - Secure SIP telephony setup with ZRTP encryption
* [Cypht](http://cypht.org/index.html) - A feed reader for your email accounts - `GPL`
* [Cypht](http://cypht.org/index.html) - A feed reader for your email accounts - `GPL`
* [ejabberd](http://www.ejabberd.im) - A robust, scalable, and extensible XMPP server - `GPL``Erlang`
* [ejabberd](http://www.ejabberd.im) - A robust, scalable, and extensible XMPP server - `GPL``Erlang`
* [FreeSWITCH](https://freeswitch.org/) - Scalable open source cross-platform telephony platform `MPL``C`
* [FreeSWITCH](https://freeswitch.org/) - Scalable open source cross-platform telephony platform `MPL``C`
@ -110,15 +109,16 @@ Table of Contents
* [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`
* [mailcow](https://github.com/andryyy/mailcow) - Mail server suite based on Dovecot, Postfix and other open source software, that provides a modern Web UI for administration. `GPL`
* [mailcow](https://github.com/andryyy/mailcow) - Mail server suite based on Dovecot, Postfix and other open source software, that provides a modern Web UI for administration. `GPL`
* [Metronome](http://www.lightwitch.org/metronome) – XMPP server forked from Prosody. `MIT`
* [Metronome](http://www.lightwitch.org/metronome) – XMPP server forked from Prosody. `Lua``MIT`
* [Mumble](http://wiki.mumble.info/wiki/Main_Page) - low-latency, high quality voice chat software
* [Mumble](http://wiki.mumble.info/wiki/Main_Page) - low-latency, high quality voice chat software`BSD``C++`
* [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`
* [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 `Java``Apache 2.0`
* [Prosody](http://prosody.im/) – Modern XMPP server written in Lua. `MIT`
* [Prosody](http://prosody.im/) – Lightweight XMPP server `Lua``MIT`
* [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`
* [Tox](https://tox.im/) - A distributed, secure messenger with audio and video chat capabilities.
* [Tox](https://tox.im/) - A distributed, secure messenger with audio and video chat capabilities.`C``GPLv3`
@ -302,11 +302,11 @@ CMS are a practical way to setup a website with many features. CMS often come wi
## Pastebins
## Pastebins
* [0bin](https://github.com/sametmax/0bin) - Client side encrypted pastebin `WTFPL``Python`
* [0bin](https://github.com/sametmax/0bin) - Client side encrypted pastebin `WTFPL``Python`
* [Stikked](https://github.com/claudehohl/Stikked) - An advanced and beautiful pastebin written in PHP
* [Zerobin](http://sebsauvage.net/wiki/doku.php?id=php:zerobin) - A minimalist, opensource online pastebin where the server has zero knowledge of pasted data. Data is encrypted/decrypted in the browser using 256 bits AES. ([Demo](http://sebsauvage.net/paste/), [Source code](https://github.com/sebsauvage/zerobin))
* [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))
* [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
*[tastebin](https://github.com/andreineculau/tastebin) - Updated version of hastebin plus additional features `Apache``nodejs`