YaCS - A window based chatserver with the ability to log or kick users. You can connect to the server by using PuTTY or Microsoft Telnet, because the chat supports VT100 and the telnet protocol.
JBuzz BBS Server is a telnet daemon which provides several communication facilities, like discussion board and chatting room for clients to experience. In order to extend functions for the system more easily, the feature called "applet" is introduced.