Chat with friends on MSN, Facebook, Twitter, Yahoo, MySpace, AIM/ICQ, Google, Jabber, studiVZ.
Trillian for Mac is an instant messaging app with quite a few extras added. Trillian for Mac is available from the App Store as well as many download sites. It installs easily. The main Trillian for Mac client is free, and there is a Pro version that removes ads and allows for cloud storage, although most people will opt for the free app.