All the best bulletin boards, chat rooms, and guestbook cgi scripts. Here are the free cgi scripts. Just click on the links for files and documentation. Generally the scripts listed here are freeware or shareware, but in some cases commercial programs are listed as well.
Online demo is available.
A demo is available online. Allows multiple rooms, frames, and a censorship add-on. Online demo is available. An online demo is available. Working examples are available.