ChatSpaceFREE - 1.5 

Complete chat server package that operates through any Java enabled browser. No client application downloads, no hassles. Includes everything you need to set up a 10 user chat server on your own computer. Revolutionary simplicity and compatibility.

HyperChat Suite - 1.2.7 

HyperChat Suite is a freeware chat server and client suite that will add chat functionality to your personal Web site. This software features channels and a channel manager, the ability to "slap" or "kick" users, private chat capability, the ability to remove users from a chat, support for command-line options, a swearing list, and an "IP-Watchlist" that allows only certain computers to login (Windows NT only). HyperChat is free, runs on any system with Windows 95/98/NT, and never requires registration. It includes the ability to minimize the client to the system tray, a timestamp, the ability to save the chat log, and interface improvements.