Gfire is an open source plugin for the Pidgin IM client which allows you to connect to the Xfire network. It features full friend list support, including game and server statuses, group chat, and profiles.
Xfire is a network that allows gamers to talk to each other while playing a game. It keeps track of games you open and synchronizes your status online, and allows you to join friends' games with a few clicks of the mouse.