One can download OpenMIM 2.0 at http://code.google.com/p/openwood .
OpenMIM 2.0 also supports IRC.
The work on OpenMIM is now resumed and continues in the direction of OpenMIM 3.0 which should provide an unified interface to all four services (ICQ, MSN, IRC, XMPP/Google Talk) and a better architecture and code integrity. The connection to XMPP/Google Talk is done with help of the externally developed Smack library. ... read more