PHP/MySQL forum software with multilingual support and more than 100 plug-ins. [Open source, GPL]

A PHP/MySQL bulletin board package designed for small to medium sized web sites. [Open source, GPL]

A community software package with themes, fast message database, secure file-attaching system, and mod installation manager. [Freeware]

News, information, downloads, newsletter subscription, international support, hosting and forums for the lightweight discussion board. [Open source, GPL]

A simple message board for those who don't want or need large forums. Supports smileys, and e-mail notification. [Freeware]

A highly customisable open-source web-based bulletin board that requires PHP4, a mySQL database.

Presents features, and requirements of the free bulletin board application with demo, downloads, manual and community forum. Premium extensions and service also available.

Forum software integrated with the Joomla content management system [Freeware].

Ikonboard's PHP version. It supports all CGI version's features and it's free. A free registration is required to download the script.

Forum software forked by four developers of PunBB that supports MySQL, PostgreSQL and SQLite and produces valid XHTML [Open source, GPL]