7th BBS - http://www.7thbbs.com/
A modular Bulletin Board System based on PHP 5 and MySQL 4+. [Open source, GPL]
ATTER - http://chimaera.starglade.org/aterr/
An open-source, web-based, threaded forum system written in PHP, supporting nested posts and forums.
Bestweb - http://bestweb.ca/
Usenet style threaded discussion, multiple forums, multiple languages, automatic archiving, printable pages, and message voting.
bSpeak Threaded Messageboard - http://www.26thavenue.com/bspeak/
A PHP and MySQL based messageboard software. [Commercial]
ccForum - http://ccforum.sourceforge.net/
A simple, easy to use message board system. It supports single or multiple forums, user registration and anonymous posting, and forum administrators. ccForum is written in PHP and is based on a MySQL database. [Open source, GPL]
ClanWeb - http://forum.clanadmintools.com
The official forum for the ClanWeb application.
DCForum+ - http://www.dcscripts.com/dcforump.shtml
A PHP/MySQL implementation of DCForum web discussion program. [Commercial]
Dynamic Flash Forum - http://df2.sourceforge.net/
A PHP and MySQL based message board with animated and easy to use Flash interface. [Open source, GPL]
ezPhpForum - http://www.ezphpforum.com
A simple to use PHP forum package.
FUD Forum - http://fud.prohost.org/
Very feature-rich PHP forum system with MySQL/PostgreSQL backend
FunkBoard - http://www.funkboard.co.uk/
A multi-thread customisablebulletin board messaging system. It uses PHP and either MySQL or PostgreSQL database. [Freeware]
Gravity Board X (GBX) - http://www.gravityboardx.com/
A PHP and MySQL based message board system. [Open source, GPL]
HydroBB - http://www.hydrobb.com/
A bulletin board powered by PHP and MySQL. [Freeware]
IceBB - http://icebb.net/
Open-source forum software in PHP.
k4 Bulletin Board - http://www.k4bb.org
Downloads, modifications, news and general information. [Open source, MIT/X Consortium License]
LiteBoards - http://www.liteboards.com/
A discussion forum/messageboards software. [Open source]
MBoard - http://www.phpjunkyard.com/php-message-board.php
A simple message board for those who don't want or need large forums. Supports smileys, e-mail notification and more. [Freeware]
MercuryBoard - http://www.mercuryboard.com/
Bulletin board written in object-oriented PHP4 with a MySQL database backend.
miniBB - http://www.minibb.net/
Small, fast and free discussion board system written in PHP, can be based on any database supported by PHP (including mySQL and PostgreSQL).
myBB - http://www.mybboard.com/
Coded in PHP and backed by mySQL. Free
myBB Planet - http://www.mybbplanet.com/
myBB resource site with skins, modifications, tools. and forum.
NTBB - http://ntbb.org
A free open source bulletin board licenced under GPL.
Oneiric Bulletin Board - http://www.oneiric.de/board/
Oneiric is a free (GNU/GPL) PHP Bulletin Board with a mySQL backend.
OvBB - http://www.ovbb.org/
A light-weight and fast bulletin board system that mimics vBulletin 2.x.x in both look and behavior while incorporating new advanced features and functionality. [Open source, MIT-type license]
Oxygen - http://www.o2php.com/
A highly customisable open-source web-based bulletin board that requires PHP4, a mySQL database.
Phorum - http://phorum.org/
A free threaded, web-based bulletin board system written in PHP with a variety of backend database option available.
PHP/XML Forum - http://outer-court.com/tech/forum.htm
A free thread-oriented, XML-based news forum. No database required.
phpNet - http://php-net.net/
A feature enriched PHP/MySQL message board.
Prattle - http://prattle.sourceforge.net/
A message board system implementing a clean linear model. [Open source, GPL]
ProBB - http://www.halfstrike.com/probb/
ProBB is a web bulletin board written in PHP and backed by several databases, including MySQL, MsSQL, and PostgreSQL.
PunBB - http://www.punbb.org/
Lightweight PHP discussion board with MySQL/PostgreSQL database backend
QuickBB - http://quickbb.com
QuickBB is a flat-file forum system built on the PHP scripting language.
RedKernel VS Forum - http://www.redkernel-softwares.com/?rkvsf,overview
A very secure forum script, it is protected against all know attacks and works without mySQL. [Freeware]
SEO-Board - http://www.seo-board.com
A fast, and search engine friendly forum software written in PHP/MySQL. [Open source]
SkaidonDesigns - http://www.skaidon.co.uk
phpBB, vBulletin, IPB templates.
SMF - http://www.simplemachines.org/
A community software package with themes, fast message database, secure file-attaching system, and mod installation manager. [Freeware]
SowiBB - http://sourceforge.net/projects/sowibb
Forum software written in PHP with a MySQL backend.
Supermod - http://www.supermod.org/
A PHP forum software to a higher level YABBSE based concept radically modified and customized for free.
TinyPHPForum - http://ralpharama.co.uk/tpf/index.php
An open source PHP-based database-free very small and simple forum with Multi-language, multi-skin, avatar uploading support.
Transverse Styles - http://www.transversestyles.com/
Provides Invision Power Board skins and vBulletin styles. All skins and styles are packaged with fixed and fluid configurations. [Commercial]
tribbyBoard - http://www.tribby.com/board/
A free threaded message board script written in PHP with a MySQL backend.
UBBThreads - http://www.infopop.com/products/ubbthreads/
Threaded or linear viewing of posts, address books, CSS compatible, member list, time offsets, session or cookie based, moderators, multi-language support, private forums, profanity filter, and user pictures. [Commercial]
UseBB - http://www.usebb.net/
A PHP/MySQL bulletin board package designed for small to medium sized web sites. [Open source, GPL]
vtiger Forums - http://www.vtiger.com/products/forums/index.html
An easy-to-use and scaleable open source bulletin board system that enables you to easily create, manage, and promote your online community.
W-Agora - http://www.w-agora.net/
Free forum written in PHP. It has also a guestbook, a download area, a photo gallery and a news publisher feature. It uses MySql as database.
WiForums - http://wiforums.net/products/
Interoperable (vBulletin, phpBB2 and IPB) Web/WAP Discussion Forums for Cell phones, PDAs and other handheld devices.
WMForum - http://wmforum.lehed.com/
A very simple discussion board program written in PHP. It doesn't use any SQL database.
WowBB - http://www.wowbb.com
WowBB offers features such as auto install/upgrade, a WYSIWYG editor with integrated spell-checker, auto time zone detection and smart caching. Requires PHP and MySQL.
WSN Forum - http://www.wsnforum.com
Fully customizable, extensible and translateable PHP/MySQL forum script. [Commercial]
X Forum - http://staff.mybsd.org.my/amran/project/x.forum/
Basic forum script using php/MySQL.
Xsorbit - http://www.xsorbit.com
Free forums and professional message board and forum software for personal or business use.
YaBB SE - http://www.yabbse.org
A PHP/MySQL port of Yet another Bulletin Board (YaBB) 1 Gold (see above).
YapBoard - http://yapboard.sourceforge.net/
A simple PHP/MySQL message board.
