Weil Teilen Spaß macht :)
Navigation
On of the many advantages of XMPP is, that everyone can setup his own server and everyone can communicate with everyone, like with Emails :)
Buddies → Add chat…:
https://en.wikipedia.org/wiki/XMPP
http://wiki.xmpp.org/web/Main_Page
http://xmpp.org/xmpp-software/server/
http://www.jabberes.org/servers/servers_by_times_online.html