Simple Machines Forum - Simple Machines offers free open source software such as SMF, the powerful and easy to use community forum written in PHP. Start interesting discussions on your website!
Vanilla Forums - Build an engaging community forum using Vanilla's modern cloud forum software.
Discourse - Discourse is an open source discussion platform built for the next decade of the Internet.
Forumbee - Forumbee offers community forums for discussions, feedback and Q&A.
phpBB - Raspberry Pi. The Raspberry Pi is a cheap, credit-card sized computer. The official website uses phpBB for their discussion forums. phpBB is not affiliated with nor responsible for any of the sites listed on the showcase.
MyBB - MyBB is a discussion board software that runs on PHP and MySQL