Adium -

one of the most popular instant messaging for Ma c OS X. Its main advantage is that it supports multiple Internet protocols, including the Polish Gadu-Gadu. Other protocols suppor ted include AIM, ICQ, MSN, Yahoo! Messenger, XMPP, Bonjour, Lotus Sametime, QQ, Live Journal Talk, Novell Groupwise,. Mac (iChat), Google Talk, and Jabber. Adium is distributed under the GNU license and is available for free. The program has been translated into most European languages including Polish, as well as Chinese and Japanese.