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.
Screenshots
GUI for NateOn Instant Messenger
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NateOn an instant messenger by Nate used mostly in South Korea service of SK Telecom. The program is a freeware and runs under Windows 98 to XP, as well as for mobile phones. Reports shows that there are over 7.1 million users, making the instant messenger more popular in South Korea than the rival service MSN Messenger.
