BuddyPress.org

This interests me as well. Tried searching and got this:

* Example of a component that is NOT a root component:

581 * Friends: http://domain.com/members/andy/friends

582 * http://community.domain.com/members/andy/friends

583 * http://domain.com/wpmu/members/andy/friends

584 *

from

http://bp-dev.org/phpxref/nav.html?bp-core.php.source.html