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.

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.

Queen Online

As the official board for the world-famous band Queen, this community hosts a wide variety of discussions by Queen fans from around the globe.

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.

Ubuntu Italy

It is the Italian Community for Ubuntu, a popular open source community operating system based upon the the Debian Linux Distribution.

OpenOffice.org

OpenOffice.org offers a free and fully-featured office suite which meets the needs of the common consumer all the way up to large enterprises.

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