Debian

Official Support Forum for Debian, the kernel-based open source operating system. phpBB provides a solid platform for support and discussion.

xkcd

Discussion board for the massively popular xkcd web comic. Covering everything from Maths and Science to Logic Puzzles and Forum Games. Over 100k members and 2.4 Million posts.

Joomla Forums

Joomla is one of the leading open-source Content Management Systems. With a userbase of over 400,000, they use phpBB as a reliable platform for support.

Conquer Club

Conquer Club is an online multiplayer world domination game. The discussion forum is host to over 500,000 members and 2.8 million posts.

Gentoo

Gentoo Linux is an open source operating system built on top of the Linux kernel and based on the Portage package management system.

The Audi TT Forum

Active community for UK based Audi TT owners. Almost 30k members and 2 million posts, complete with unique style & powered by phpBB.

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