This list of universities and the like, which by now is a bit dated, might also be quite useful to some folks. The Volkshochschulen are evening schools open to everybody. The addresses of the branch offices of the DAAD can be found at this website . Very important for foreign students who want to study in Germany and also for German students who want to study in another country. Studienstiftung des deutschen Volkes Mirbachstr.
Membership is by invitation only.
An older, inofficial website with inofficial materials. Bonn This is the place where they decide about transferability of foreign academic degrees. Maybe they answer questions.