ISAPI server application. Discussion forum for MS IIS running on Windows NT/2000/XP. Shareware. Highlights, installation instructions, FAQ, examples of this forum in use.

CGI application that implements discussions on a website.

A bulletin board message system. It's free for non commercial use and run at WinNT, Solaris, Linux, FreeBSD.

Unofficial support forum for various message board systems.

Group discussion program, written in C, for the World Wide Web. Threaded bulletin boards for BeOS, Mac, OS/2, UNIX and Windows web servers.

WWW discussion board software package that can be installed on a Unix or Windows 95/98/NT web server. Installation takes about 15 minutes and does not require hand-editing of the script files. Free and paid versions available.

A free ISAPI based bulletin board system. For Windows NT4/2000/XP servers. List of features, a working demo, and download.

An open-source version of the ArsDigita Community System, comprised of a Web server plus PostgreSQL database. Free download, documentation, FAQ, forums, links to existing sites using this solution. [Unix, source]

Shareware discussion forum package allows polls, moderation, email notification, password protection. Built-in search engine. Features, requirements, registration information, working demos.

Commercial software suitable for private and public uses. Runs on IIS with a Microsoft SQL Server backend.

Simple CGI-based messaging. Includes option to ban bad words. Site does not work in Netscape 3 or 4.

Free script for traditional threaded forums with no emoticons and no registration.