XDevBoT is a project mainly written in Java, based on the GPL-3.0 license.
java xmpp jabber multiuserchat muc bot
xDevBot
this is a jabber/xmpp multiuserchat(muc) bot. look here https://github.com/camperking/xDevBoT/wiki for more information and how to build your own bot
uses Smack API 3.1.0 from http://www.igniterealtime.org/projects/smack/