Ok, here's a list of all the bb i know of, please add more...
XMB - http://www.xmbforum.com/ - PHP, MySQL - free
YaBB SE - http://www.yabb.info/ - PHP, MySQL - free
Obb - http://www.openbb.com/ - PHP, MySQL - free
YaBB - http://www.yabbforum.com/ - CGI - free
Ideal BB -...