German aircrafts of World War II

12 O'Clock High!: Very detailed information about the Luftwaffe, including information about the paint schemes, markings and cannons, as well as some information about the US VIII Air Force. Also includes forums about both the Luftwaffe and Allied air forces
Aces of the Luftwaffe: Detailed biographical information about aces of the Luftwaffe
Falcon's Messerschmidt Bf 109 Hangar: Very detailed information on the Bf 109, though only in German
Hornisse! The Messerschmidt 210-410 page: Development and deployment information about the Messerschmidt Me 210 and Me410
Kurfürst - Performance of the Messerschmitt Bf 109: Excellent information from primary sources on the Bf 109, including data sheets and test results
Luft '46: Very interesting information about German prototype and drawing board aircrafts, including many very modern designs. An excellent online reference
Me 163B Komet: Very extensive and well-researched information about the Me 163B, right down to the clothes worn by the pilots and the weight of the paint used
Preserved Axis Aircraft: An excellent record of preserved Axis aircrafts, both in flying, restored and unrestored aircrafts
Sturmvogel: Information about the Luftwaffe
V2ROCKET.COM: Development history, technical details, auxillary equipment, deployment, modeling and much more information about the V-2/A-4 rocket