Here a choice of forums for Kadett-B & Olympia-A
The KadettB.de - Ur-Forum
(or simply THE Forum, since 2004, back since 10/2014) The last active Forum: the The The
doesn’t work anymore, only listed for historical reasons.
The last active Forum: theKadett-B-Forum.de, since 2013
TheInterim-Forum of Christian (Smeagol) - since 2007
TheUrur-Forum (out of the Internet-Stone age in Board structure, since 2001)