perlForum is message board system made in powerful perl language. It has many advanced features, including a news system, a must for perl developers.
Developer: Bold Outlook Platform: linux, windows, freebsd, sun Date upd:2007-01-06 Hits2990 [Visit]

A fully featured discussion board program with easy to install, modify/delete posted message (by author), powerful administrative functions, two level administration, email notification, search on subject and content, integrated file uploading, configurable threading, message rating, visit counter, user registration, modifiable user profile/password, moderating, banning
Developer: netbula.com Platform: Unix Date upd:1999-06-24 Hits3171 [Visit]

RPGBoard is a WWWBoard-style message board script. Features: multiple forums, new file format with an auto-archive/compress/delete function, message previewer/editor, spell checker, web-based RPGBoard Configurator, default options and bios for the regulars, different header styles (like WebBBS, the old traditional WWWBoard, and "collapsed threads" mode),
Developer: ResonatorSoft.org Platform: Unix, Win NT Date upd:2003-01-07 Hits16784 [Download] [Visit]

InternetBoard is a non-threaded chronological bulletin board system. It comes with customizable footer and header templates and keeps track of the number of hits per message.
Developer: hitel.net Platform: Unix Date upd:1999-06-29 Hits2490 [Visit]

Radiation's Hyperthread empowers users to take an active part in your website by carrying on conversations with each other in a hosted forum. Benefits of HyperThread include: full threading links messages into reply chains, areas show date of newest posting and total number of
Developer: radiation.com Platform: Unix, Windows NT Date upd:1999-06-29 Hits1064 [Visit]