This KnowledgeBase is heavily influences by the FOM, but is PHP+mySQL based. It is currently under production, but an example of progress (a few steps behind) is available at http://kb.zeroasterisk.com | if you want to play or help, contact me...
The project's aim is to develop a knowledgebase, using a SQL-server on server side and and PHP scripts. So, there a lot of free forums arround, one of the main differences to them is a advanced possibility to maintain the knowledgebase. You can categori