Pidgin - Pidgin is an easy to use and free chat client used by millions. Connect to AIM, MSN, Yahoo, and more chat networks all at once.
LAN Messenger - LAN Messenger is a decentralized UDP IM-style chat client which supports usernames...
Swift XMPP Client - Swift is an elegant, secure, adaptable and intuitive XMPP client, with features that make it...
MyChat - Secure instant messenger for any network
BORGChat - BORGChat is a LAN messaging software program.
Adium - Adium is a free instant messaging application for Mac OS X that can connect to AIM, MSN, Jabber, Yahoo, and more.