I've been using XMPP since its inception as Jabber, and it's my preferred way of communicating. Prosody and Ejabberd are two good, lightweight XMPP servers tha

I've been using XMPP since its inception as Jabber, and it's my preferred way of communicating. Prosody and Ejabberd are two good, lightweight XMPP servers that will let you synchronize messages across devices.