Instant Messenger
Yahoo - http:/messenger.yahoo.com
GTalk - http://www.google.com/talk/
MSN - http://messenger.msn.com/
Gaim - http://gaim.sourceforge.net/
Miranda IM - http://www.miranda-im.org/
Rhymbox - http://www.rhymbox.com/
PSI - http://psi.affinix.com/
Trillian Basic - http://trillian.cc/downloads