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.
AirTalk is a flash based multi-protocol Instant Messenger that can connect to MSN, Yahoo!, GTalk, AOL and ICQ.
AirTalk will also connect to various Web 2.0 services, and allow you to view videos, pictures and buddy profiles.
