iChat

iChat screenshots

iChat is a multi-protocols instant message client.
Message Menu
iChat 5.0 : Message Menu

Alternative downloads

Chatology
1.2.4
Message search made simple If you use Messages or iChat...
Pidgin
2.5.4
FREE
Is a chat program which lets you log in to accounts on multiple chat networks.
iChat Emotimaker
FREE
Emotimaker is a simple program for making smileypacks.