bbPress.org

https://bbpress.org/forums/topic/ill-pay-someone-to-help-integrate-wordpressmu-buddypress-and-bbpress#post-56788

http://labs.b5media.com/blog/creating-the-anypress-solution/

There are at least two other good resources here as well, but I can’t recall the keywords to find them. But if you follow the buddypress tag at this forum you will see lots of people’s experience with buddypress/bbpress/wpmu integration.

https://bbpress.org/forums/tags/buddypress