ICQ
Welcome to icq, the multilingual community! download icq: meet friends, chat by text, voice or video, send free sms, play spelletjes or find a date!
http://www.icq.com/
Trillian
Cerulean studios makes trillian and trillian pro--the ultimate instant messenger.
http://www.trillian.cc/
Yahoo
Yahoo! messenger - chat with friends for free and enjoy stealth settings, pc calls, file sharing, photo sharing, sms, emoticons, and more.
http://messenger.yahoo.com/
Zango
Zango
http://lp.zango.com/?bid=4122