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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Xchat
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XChat is an IRC (chat) program for Windows and UNIX (Linux/BSD) operating systems. I.R.C. is Internet Relay Chat, see http://irchelp.org for more information about IRC in general. XChat runs on most BSD and POSIX compliant operating systems and this version supplied here is for Windows 98/ME/2000/XP.