idBB is an open source forum project, which is easy to use, and very stable. It has its own template system, which lets users use any template installed. Users can also change the forum language to their own language. Includes an easy to use, step by step installer. It also supports the most common BBCodes. Features a private message system; supports multiple boards on one database; admin section to manage users, forums, categories and admins, and view idBB source. Also supports private forums, which allows different type of groups to have their own private forums.

L-Forum is a simple set of PHP scripts providing discussion forum to your web site. Features: full threading support, PostgreSQL and MySQL support, multiple design themes support, multiple language support, collapsing threads, removal of messages thru administration page, file upload, moderated forums and banning IP's from posting.

ForoDAT is a text forum script written in Spanish. You can add and delete posts, filter special chars, include smiles and login. Nice, secure and simple.

Evo(lution)BB is a php bulletin board system that supports numerous databases. Features: polls, private messaging, instant messaging, real time chat, and more. v0.3 update: Multi-Language Packs, Changable flat and threaded forum views, Templating ability, Administrate Themes, Cosmetics on various files, Integrated Java Chat with the IM system, Instant Messaging bug fix, Reply topic fixed, Breadcrum menu fixed.

UGroup is an online Collaborative Messaging System [CMS], all developed in PHP/MySQL. It is fast, and features nice interface, high security, unlimited Forum Categories/Forums/Topics, email notification and much much more functionalities. UGroup was designed to support Toronto PHP User Group.

ITA Forum is an online messaging system, all developed in PHP, using MySQL as the backend database. It is fast, and includes a very elegant interface, which makes it ideal for a business site. Some of its features include: Scalability of the code; Very high security; Extendibility of the code; 100% Language independence; 100% tunable design of the forum; Easy step-by-step installation, and more; unlimited number of forums, messages, users, moderators and more.

An easy to setup and use message board written PHP with MySql on the backend. Features: Avatars; Smilies; Advanced profiles; moderators, supermoderators and administrators; Database cleanup function; Standard thingies like quotes, delete messages; Private forums; and more.

Powerboards is a versitle and powerful bulletin board/forum software. Features include: PHP-based, member groups, post counts, profiles, avatars, post editing, multiple forums and cats, ban members, send email to all, members list, PM's, and much more. Powerboards doesn't use any SQL database.

WMForum is a very simple discussion board program writen in PHP. It doesn't use any SQL database.

0wn f0rum a swiss discussion board system written in PHP that can be easily customized for any Web site. A working exemple can be seen at: http://www.xs-clan.ch.vu

IBB is an Italian free forum package coded in PHP with MySQL backend. Features include: unlimited forums, members, posts, a control panel, multiple themes, censors, user ranks, user control panel, a member list, who's online etc,etc. The Forum language is currently only in italian.

Waddlesoft Message Board is an extensive PHP/MySQL-based program with admin tools, polls and a very good interface. Useful for creating a site which has news stories with replies.

MyBoard is a full featured discussion board with MySQL as backend database server. Features include user authentication, moderator control over thread, language filter to reject messages with unwanted words.

JBB is an easy to install Bulletin Board System based on php4 and MySQL. This is the first beta release yet still includes a lot of features. Currently, looking for developers and designers to join the project.

Burning Board is a bulletin board software based on PHP4 and MySQL. Bunrning 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 censor, Ban users, Support for smilies, BB Code or HTML in messages, and much more. Burning Board is available in English & German.

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 count, and more.

MDForums is a complete forum system based on PHP and MySQL backend. Features: Real time private messaging; Customizable user profiles; Full moderation and administration features; File editor for configuration files; Stylesheet support; Expanded and collapsed thread modes, flat and threaded post viewing modes; Two post formats; Private forums; Installation script for easy, trouble free installation. Requires a server capable of running PHP4 or better.

UBBThreads (formerly known as wwwthreads) is a highly customizable PHP message board software. Taking advantage of the flexibility and power of the PHP language, UBBThreads offers both the administrator and the end-user the ability to completely personalize the interface. In addition, the optimized SQL database back-end makes UBBThreads fast, reliable, and flexible.

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.

edmoBBS is not a cluttered and complex board system with membership requirements. It is instead, simple and modern. The goal of edmoBBS is to meet the needs of webmasters looking for an easy to manage and easy to use general purpose board which uses PHP and MySQL for efficiency and speed. Multiple boards can be created and managed with the poweful admin features. edmoBBS is available in two versions: A fully functional FREE version, and a more refined commercial version for $50.00.