Also called "Chat Programs". These applications are installed on a PC by a user, and allow immediate "chats" between other users of the program. Some of these programs also allow audio or video conferencing as well as the ability to execute file transfers.
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Xfire is a new, free tool that automatically keeps track of when and where gamers are playing PC games online and lets their friends join them easily. It works regardless of game type, server browser, or gaming service that a player is using. Xfire eliminates the hassles of running multiple programs like IRC, instant messengers, or in-game friends lists to keep track of when and where a gamer's friends are playing. It supports the best and the latest online PC games including server- and non-server-based First Person Shooters, Real Time Strategy, and Role Playing Games.