Gentoo

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

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.

Debian

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

NationStates

Inspired by Max Berry's book, Jennifer Government, NationStates is one of the most popular online simulation games. The forum boasts over 5 million posts and 200,000 users.

Open Cart Forums

OpenCart is popular, powerful, and easy to use shopping cart software. Their healthy community forums are powered by phpBB.

Zend Forums

Zend Technologies is one of the largest and most popular companies producing a wide variety of tools and frameworks for PHP. Their community forums rely on phpBB.

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