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.
Abo Sabreen Messenger is a utility designed to send messages from one PC or groups of PCs over a Windows NT/2000/XP/Server 2003 Local Area Network (LAN) using the "Net Send" command.
