BitlBee is an IRC to other chat networks gateway. BitlBee can be used as
an IRC server which forwards everything you say to people on other chat
networks like XMPP/Jabber (including Google Talk and Hipchat) and Twitter
microblogging network (and all other Twitter API compatible services like
status.net). There are also plugins for facebook and steam, and even more
protocols can be used via libpurple.