JBother is a groovy Jabber client. It supports
Group Chat, Auto Login, Presence Notification, and
many more of the standard Jabber protocol
features. It also features audio, a theme
switcher, and support for the MSN, Yahoo, and AIM
transports. It is written in pure Java and uses
the Smack jabber library
(http://www.jivesoftware.com/xmpp/smack) for
Jabber communications.