“Jab is an
Ajax-based web based instant messaging program for XMPP/Jabber.
It is free software and users can run their own instant messaging without limitations or
software cost, complimenting the
XMPP philosophy of a distributed network.
iJab is interpreted purely by the client webbrowser.
It runs solely in a browser and does not require downloading or installation of additional software.
iJab also developed iJabBar,
a Facebook styled web chat client.

iJab – An ajax web jabber client