VideoLAN

The VideoLAN project produces the extremely popular VLC media player software. Their forums provide support for users of the software as well as the development community.

KDE

KDE is mainly known for producing the KDE Desktop Environment (used in Kubuntu) for Linux.

South Park Studios

Discussion forum for the massively popular American animated sitcom. Powered by phpBB.

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.

Pixelmator

Pixelmator is a popular commercial image editing software for Mac OS X users.

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.

phpBB is not affiliated with nor responsible for any of the sites listed on the showcase. Designated trademarks and brands are the property of their respective owners.