Messenger

• Windows Live Messenger Microsoft Windows | Mac
• Apache Wave Apache Windows | Mac | Linux
• Google Talk Google Windows
• Yahoo! Messenger Yahoo! Windows | Mac
• AOL Instant Messenger America Online Windows | Mac | Linux
• ICQ Mirabilis Windows | Mac
• Miranda IM Miranda IM Project Windows
• Trillian Cerulean Studios Windows | Mac
• Pidgin Sean Egan et al. Windows | Mac | Linux
• Digsby dotSyntax Windows | Mac | Linux
• Adium Adium team Mac
• Psi The Psi Team Windows | Mac | Linux
• Coccinella Mats Bengtsson Windows | Mac | Linux
• aMSN The aMSN team Windows | Mac | Linux
• Fire Fire Development Team Mac
• Skype Skype Technologies S.A. Windows | Mac | Linux
• Vbuzzer Messenger Softroute Corporation Windows
• QuteCom QuteCom Team Windows | Mac | Linux
• MySpaceIM MySpace Windows
• mIRC Khaled Mardam-Bey Windows
• Colloquy Timothy Mac
• X-Chat Peter Zelezny Windows | Linux
• HydraIRC Hydra Productions Windows
• Xfire Xfire Windows
• Ventrilo Flagship Industries Windows | Mac
• TeamSpeak TeamSpeak Systems Windows | Mac | Linux
• Eyeball Chat Eyeball Networks Windows