Free and Open Source Forum Software
phpBB is a free flat-forum bulletin board software solution that can be used to stay in touch with a group of people or can power your entire website. With an extensive database of user-created modifications and styles database containing hundreds of style and image packages to customise your board, you can create a very unique forum in minutes. No other bulletin board software offers a greater complement of features, while maintaining efficiency and ease of use. Best of all, phpBB is completely free. We welcome you to test it for yourself today. If you have any questions please visit our Community Forum where our staff and members of the community will be happy to assist you with anything from configuring the software to modifying the code for individual needs.
Related: Free forum creation