Short description: A widely-popular open-source bulletin-board package, works well, simple user interface and admin panel, clean look, scales well, and can be customized.

Homepage: http://www.phpbb.com

Version: (3.0.8)

Disk space: 51.02 MB

Auto-Installer: Fantastico

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Short description: Elegant. Effective. Powerful. Free. SMF is all of the above. SMF is a next-generation community software package and is jam-packed with features, while at the same time having a minimal impact on resources.

Homepage: http://simplemachines.org

Version: (1.1.12)

Disk space: 54.54 MB

Auto-Installer: Fantastico

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Short description: Fast and efficient forum/BB system written in Perl. It is feature rich and does not have the security issues inherent to PHP based scripts. For information on Yet another Bulletin Board (YaBB) or support, please visit their website.

Homepage: http://yabbforum.com

Version: (2.3.1)

Disk space: 6.25 MB

Auto-Installer: cPanel/Addon scripts

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