phpBB is a high powered, fully scalable, and highly customizable forums package. phpBB has a user-friendly interface, simple and straight-forward administration panel. hot
aterr is a threaded forum system; allowing registered visitors to express their opinions, discuss topics, and debate with other visitors. A threaded forum system differs from regular, flat forum systems in that once posted, a thread can fork, allowing visitors to reply directly to other posts. aterr also provides a customisable permissions system, the ability to nest forums, and moderation tools.
AtomicBoard is an advanced template-based bulletin board framework written in PHP 4. Its design goals are flexibility, extensibility, and maintainability.
B Squared is a bulletin board system developed in PHP, using a MySQL database. The software is still in the beta stage of development, so don't be suprised if you run into problems installing / running the board.
Baal Smart Form
Baal Smart Forms is an easy-to-install discussion group application that supports most normal form features found on other systems such as registered users, viewing without registration, and administrators who manage posts and the bulletin board.
board-tnk is a discussion board written in PHP. It performs very secure URL checking and supports multiple forums.
BoardMod is a tool to manage installed modifications in YaBB bulletin boards.
CGIForum is a highly configurable template-based discussion board. It supports expandable/collapsible threads of unlimited depth, name registration with password encryption, multiple sections from within a single script, previewing, searching, and marking of new entries.
FluxBB is a fast, light, user-friendly forum application for your website.
Fruit Show is a minimalist forum package. It is based on the philosophy that social atmosphere is a by-product of software design. There's no registration and very few features for visitors. It's skinnable and easy to install. It also contains some unique moderation features. Fruit Show is intended for small sites that need an easy to use and accessible forum.
FUDforum is a robust, fully customizable and extremely scalable forums package. It uses a powerful & speedy combination of PHP & MySQL to create a highly portable solution.
HaveFnuBB is bulletin board software with the goals of being fast, light, and fun. Its strength resides in the modules that you can add to extend its functionality.
IBank is an image message board featuring forums, topics, and messages.
Jive Forums is a flexible and extensible forum/BBS/community software that uses 100% Java technology.
KBoard Forum is a PHP/MySQL forum developed by Eric Newport that is designed to be lightweight and efficient but as fully featured as possible. It can be deployed with minimal configuration and there are easy-to-follow instructions included as code comments.
L-Forum is a free PHP-based bulletin board system featuring multiple forums, full threading and a highly optimized tree-drawing algorithm.
miniBB is a flat linear (non-tree) version of highly customizable bulletin board. It inherits most popular features from the bulletin boards the planet has at this moment, with one exception: it is very small by size (2-5 times smaller than usual boards), very fast and free.
Monkey Boards is a small, fast, and efficient message board systems to enable smaller Web sites to build virtual online communities where users post and reply to messages. Compared with other projects, this defining purpose is much more clearer and to-the-point. The project is different from other similar solutions mainly because it uses an SQLite database, whereas the majority currently require a MySQL server to be running somewhere. It will output clean and valid XHTML pages with external CSS stylesheets.
Mortíforo is a simple web forum system with a modular authentication architecture. It is licensed under the GNU General Public License. It is able to authenticate against a database and a LDAP server.
MyBestBB is a full-featured forum based on punBB. It adds many modifications and themes to the default punBB, including RSS feeds, subforums, the ability for an admin to move posts, easy smilies, easy polls, many improved themes, announcements and sticky topics, an activity barometer, an URL rewriting module, and more.
MySmartBB is an open source bulletin board system, aim to be powerful, stable, rich, easy to use, secure, and uses less server resource as possible.
Nearforums is a lightweight powerful discussion forum that can be installed within minutes on Linux or Windows servers with MySQL or MS SQL database servers
OmegaBB incorporates AJAX thinking into forum software, making a real-time message board unlike all others.
Open Concepts Bulletin Board
phpBB "Olympus" Fork which will strive to continue the honoured phpBB traditions of easy modification, freedom, and useablity, and also to improve upon development speed.
OvBB is a lightweight and fast message board system that mimics vBulletin 2.x.x in both look and behavior, while incorporating new features and functionality.
(commercial) panFora is a full featured, high performance Web-based discussion forum system.
parlement is a threaded forum and a mailing list, and also a voting system where every one can propose, vote, or delegate their vote (a delegation being for one post/mail/poll and its sub-threads).
Phorum is a Web-based discussion software written in PHP.
phpBB Fetch All
phpBB Fetch All is a modification to phpBB that displays data from the forum on any page of a website. It supports all phpBB versions from the 2.0.x branch.
phpBB3 Portal is a simple portal add-on modification of phpBB3 Olympus which adds portal features. It's easy to use and improvable. XHTML and the UTF-8 character set are used in the files as in the phpBB3 version.
phpMyBoard is a simple messageboard for PHP/MySQL, easy to install, use and maintain.
phpMyFAQ is a fully featured and database powered FAQ system. It includes user management, a rating option, and a forum system.
PHPTalk is a highly flexible message board system written in PHP using MySQL as a backend (though other DB's should work with the DB abstraction layer included).
phpwsBB is a native bulletin board module for the phpWebSite content manage system, version 0.9.3-1 or later. It features thread monitoring and administration, including marking threads sticky, locking threads, and forking messages off to new threads.
PhunkyBB is a Web-based forum system that is distinguished by its use of XSL as its template language. By using XSL, PhunkyBB is able to run on several different platforms, not only in terms of operating system, but also programming language. At this time, it has only been tested and used on PHP, but some test runs have been done on Perl, Python, Tcl, and Ruby.
Pocoo is an open-source bulletin board written in Python. It provides an advanced plugin system with a component architecture which allows other developers to modify Pocoo to their liking without the need to touch existing source code. Because it uses SQLAlchemy, it is possible to use either MySQL, SQLite, Oracle or Postgres as storage backend.
Prattle message board system
Prattle message board system is a Web-based message board system that implements a linear "room" model similar to that employed by Web Crossing.
PunBB is a fast and lightweight discussion board. It is released under the GNU Public License. It's primary goal is to be the faster, smaller and less graphic alternative to otherwise excellent discussion boards like phpBB, Invision Power Board and vBulletin.
PunBB Discussion Forums
PunBB is a lightweight discussion forum that provides the essential features to host a thriving community.
Quick Forum is a fast, simple, and multilingual message board. It is based on text files and features a search engine, categories, and filters.
Quicksilver Forums is a fast, feature rich bulletin board system. It is fully object oriented and optimized for speed, ease of use, and easy modification. It checks all inputs though a common interface, which drastically reduces the chances of exploitable bugs. A powerful and flexible skinning engine makes giving your board a new look very simple. An advanced permissions system allows for fine-grained group and user permissions. It is based on the popular MercuryBoard software.
RBBS is a bulletin board system with Web interface. Users of RBBS can post new articles, and can attach responses to existing articles. As the principal purpose of RBBS is to be used as such communication system as BBS, it is useful for individual use and for one-to-many communication.
SimpleForum is a forum that is made to work on all HTTP servers supporting CGI. It is very easy to configure, the script should be up and running in only 2 minutes time. You do not require knowledge of any programming language.
slash is a database-driven news and message board, using mod_perl and MySQL.
UseBB is an easy-to-set up and easy-to-use Open Source PHP/MySQL bulletin board system with several user and administration possibilities, especially designed for small to medium sized Web sites which do not need the overdose of features found in other forum packages.
vBulletin is a powerful, scalable and fully customisable forums package for your web site.
VIF (virtual discussion forum) is a forum application. VIF is intended for a structured discussion, starting from a high level problem that is refined in subsequent steps until a granularity is reached that allows the questions to be answered.
vtiger Forums is a high powered, fully scalable, and highly customizable Open Source bulletin board package developed over phpBB. The vtiger Forums has a user-friendly interface, simple and straightforward administration panel, and helpful FAQ.
W-Agora is a web-based and customizable forum package. It allows you to install forums, BBS, guestbooks and all derived things.
WBB IRC Postbot
Postbot is a hack for the Woltlab Burning Board (WBB) that posts new threads, posts, and registrations automatically into IRC.