Adium is a free instant messaging application for Mac OS X that can connect to AIM, MSN,...
Pidgin is a multi-platform, multi-protocol instant messaging client that can connect to AIM,...
Miranda IM is a multiprotocol instant messaging client for Windows.
emesene is an instant messaging client designed for use with Microsoft's Windows Live...
Spicebird is a collaboration client that provides integrated access to email, contacts,...
Psi is a free, lightweight instant messaging application designed for the Jabber IM network...
aMSN is a Windows Live Messenger clone, featuring offline messaging, voice, picture display,...
