Special thanks, to MiGGS member, Ken Howe, for these resources.
Global Gen Search, like Stephen Morse’s one-click site, searches 28 databases all at once. It emphasizes German sites. Some of the sites are the German versions of English sites.
Geogen v4 maps surnames on a modern German map. However, it appears to rely on modern data.
It’s best to search in German. Stöpel advises: “Enter your surname in the upper input field and click the »Research« button. German special characters (ä, ö, ü, and ß) are distinct letters. This means you must look for Mueller and Müller in separate searches.”