Adium, the open source multi-service IM client on Mac OS X, has reached a new milestone with a 1.4 release. New in this version includes Twitter and IRC support, improved group chat and bookmarks, updated to use libpurple 2.6.6 library, tons of bug fixes. Adium 1.4 now requires Mac OS X 10.5.8 or higher.
Besides Twitter and IRC, Adium supports other popular chat networks such as AIM, iChat, MSN, Yahoo! Messenger, Google Talk, Facebook Chat etc. Download Adium 1.4.