Free Random Video Chat
Chatpig.com is a free webcam chat site and it's a German Chat site; German chatroulette.
It's covered by German people and a chat for Germany and German people.
You can see people from different countries also.
NOTE: Chatpig is no more active; when you visit it now; you'll see advertisements for another chat sites.
Try Another German Chat Sites
You can try German roulette chat sites.
To try them go to Mnogo Chat German version (mnogochat.com) or try Omegle.com (when you enter from Germany it'll automatically show you people from your area) or try Chatroulette.
If you use Chatroulette from different country try Premium Button on Chatroulette and choose Germany there; then start chat to talk with German people.