A universal instant messaging (IM) program
Anope hybrid services for use on the Karma-Irc network.
An IRC server written in Ruby
The IRC's Talking Robot
PHP Web Chat System utilizing Websockets HTML5 Technology
JavaBot allows people to easily implement their own IRC bots.
PHP Framework to write Bots connecting to a P10 (IRCu) Server
A YourIRC Twitter PHP5/MySQL Bot