<abbrtitle="Extensible Messaging and Presence Protocol">XMPP</abbr> is a communication protocol of instant messaging, VoIP (Voice over IP), videoconferencing.
You can connect to your XMPP server with any standard desktop XMPP client, such as [Pidgin](http://pidgin.im/), [Gajim](http://gajim.org/index.fr.html), [Jitsi](http://jitsi.org/) or [Adium](https://adium.im/).