HyperChat Suite - 1.3.4 

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.

IRCPlus - 1.5 

IRCPlus is an internet relay-chat server that allows IRC clients such as mIRC, and PIRCH to connect to your computer as an IRC based chat server. The new version now allows server to server linking, and now has six types of operators, 3 levels of IP/Hostname masking to prevent TCP/IP attacks, Language Context control, anti-profanity as well as many other features.

ViaTalk Central - 5.50 

ViaTalk Central includes a complete chat client with direct file transfers, the ability to send thumbnail photos and full size photos, fancy text chat, group surfing, and up to 10 private rooms with each client. Private Note capability, chat logging, color customization, even a shorthand dictionary that let's you create fancy text to be displayed when you type a keyword.