tabletsdev is the only area which has material that is under licences (Nokia and third party)
Aside from that, the thing that most people here don't seem to grasp is the size of maemo.org. The forums are one small part of it all. The big parts are the old autobuilder, the new OBS, the repositories and the content delivery network.
If you recall the N900 has Extras as an official repository. That means that every single day, every single network connected N900 pings the repository (the content delivery network in the middle takes the load) and checks if something has changed.