MyBB is the open source, intuitive, extensible, and incredibly powerful forum software you've been looking for.
With everything from forums to threads, posts to private messages, search to profiles, and reputation to warnings, MyBB features everything you need to run an efficient and captivating community. Through plugins and themes, you can extend MyBB's functionality to build your community exactly as you'd like it.
phpBB is a 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 extensions and styles database containing hundreds of style and image packages to customise your board, you can create a very unique forum in minutes.