YapBoard is a messaging board system written in PHP for Apache and MySQL. It supports automatic generation of user accounts, and aims to be simple and easily customizable.
Developer: yapboard.sourceforge.net Platform: Date upd:2001-11-25 Hits6028 [Download] [Visit]

Ultimate PHP Board is a full featured discussion board/forum that uses our in-house produced text database system. We aim to offer the same features as any of the large SQL based forums but without ANY of the SQL mess and to do it FAST.
Developer: PHP Outburst Platform: linux, windows Date upd:2007-01-16 Hits101450 [Download] [Visit]

WoltLab Burning Board is a bulletin board software based on PHP4 and MySQL. Burning Board has many features that sets it apart from similar forum software: HTML Templates, User profiles (editable by user), User groups - give select moderators/users admin powers, Private forums, Word
Developer: WoltLab GmbH Platform: linux, windows, freebsd, osx, sun Date upd:2006-08-30 Hits41513 [Download] [Visit]

fxboard is a fairly advanced free opensource php/mysql bulletin board system. Some of the features include: user registration, admin control panel, fully templated, delete and move threads, delete and edit posts, smileys, bb code (and auto bb code inserter), search, member list, users online
Developer: phpfx.sourceforge.net Platform: Date upd:2001-12-10 Hits7632 [Download] [Visit]

miniBB ("mini bulletin board") is a free web forum software script written in PHP for creating an online virtual community, with the concept of using a few very simple elements to the maximum effect, which also affects its high performance and suitable interface. It
Developer: miniBB.net Platform: linux, windows, freebsd, osx Date upd:2007-06-07 Hits55569 [Download] [Visit]