I don't think it's self made... it's also in use by the Unity team...
http://answers.unity3d.com/
It's not the prettiest board, but the function of it is very good. I've worked with a bit on the Unity site while I've been learning that game engine.
As for application... it's something of a political nature, but I don't want to say anything about it yet.
Unrelated to WoW anyway.