A comprehensive List of personal Bridge pages can be found at Claire Bridge from France.
Lots of additional links including other national contract bridge organizations can be found in the comprehensive link database at Ecats-Bridge.
Due to the efforts of Georg Mavridis of Aachen the german bridge mailing list DOUBL is alive and kicking again.
Michael "Gro" Gromöller takes care of the semi-official german Junior's homepage, where you can find among other things information on the traditional Bamberg tournament and on the german bridge camp on castle Rieneck.