PhpBB is a high powered, fully scalable, and highly customisable open-source bulletin board package. phpBB has a user-friendly interface, simple and straightforward administration panel, and helpful FAQ. Based on the powerful PHP server language and your choice of MySQL, MS-SQL, PostgreSQL or Access/ODBC database servers, phpBB is the ideal free community solution for all web sites.

Phorum is open source forum software with a penchant for speed. Phorum's very flexible hook and module system is designed to meet different needs of different web sites while not sacrificing performance or features.

PunBB is a fast and lightweight PHP-powered discussion board. It is released under the GNU General Public License. Its primary goals are to be faster, smaller and less graphically intensive as compared to other discussion boards. PunBB has fewer features than many other discussion boards, but is generally faster and outputs smaller, semantically correct XHTML-compliant pages. (more...)

UseBB is a light and Open Source PHP 4 and MySQL based forum package, distributed freely under the GPL license. Developed with simplicity and usability in mind, UseBB is ideal for small to medium sized websites which need a clear and efficient forum package.

Add a full set of professional and attractive forums to your web site with ease. Fast, customizable, unlimited forums, moderation, upload of user images, user profiles, optional user registration, emoticons, e-mail notification and many other features. Also comes with extensive admin and moderator admin panels to manage all aspects of your forums. (more...)

Sporum is one of free web-based dicussion board software package available on the internet. What sets the Sporum apart from other online bulletin board systems is its unique interface, extensive administrative features, and easy installation procedure.

MyBB is a discussion board that has been around for a while; it has evolved from other bulletin boards into the forum package it is today. Therefore, it is a professional and efficient discussion board, developed by an active team of developers. (more...)

FluxBB is an open source forum application. FluxBB was designed to be fast and light with less of the not essential features that some of the other forums have, but without sacrificing essential functionality or usability. FluxBB is a fork of PunBB, which was created by Rickard Andersson. FluxBB v1.4.8 requires PHP 4.4.0 or later. A database is required which may be MySQL 4.1. (more...)