Trillian for Mac is a free messenger that makes it easy to chat with your friends no matter where they are. Use Trillian to connect to Facebook, Windows Live, Twitter, GTalk, AIM, Yahoo, and much more. As an added bonus, Trillian for Mac syncs beautifully with Trillian for iPhone when you're on the go!
What's new in this version:
Connectivity and miscellaneous bugfixes.