Url XMB: eXtreme Message Board

Description XMB is short for eXtreme Message Board and is an open source forum system written in the PHP 4 scripting language and using the database management system MySQL to store dynamic content. It is being distributed under the GNU General Public License. Out-of-the-box, the forum is quite simple compared to its commercial competitors, but a substantial amount of modifications exist to add new features.
Some important features:
* Support for many languages.
* Buddy list
* u2u messaging system
* Thread subscriptions
* Subforums.