Add Quassel IRC

README.md

@@ -149,6 +149,7 @@ Some [Groupware](#groupware) solutions also feature calendar/address book editin
 ### IRC
 
   * [Convos](http://convos.by/) - Always online web IRC client ([Demo](http://demo.convos.by), [Source code](http://github.com/nordaaker/convos)) `ARTv2` `Perl` 
+  * [Quassel IRC](http://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)) `GPLv2` `C++`
   * [Shout](http://shout-irc.com/) - The self-hosted web IRC client ([Demo](http://demo.shout-irc.com/), [Source code](https://github.com/erming/shout)) `MIT` `Nodejs`
   * [Weechat](https://weechat.org/) - a fast, light and extensible chat client `GPLv3` `C`
   * [ZNC](http://wiki.znc.in/ZNC) - An advanced IRC bouncer `Apache` `C++`