LexiFon searches names and cities within the German Wikipedia on a phonetic basis.
The results are evaluted using the Levenshein distance and sorted accordingly.
Lexifon for test.
Example:
Search word is "Rielke" which doesn't exist within the German Wikipedia.
The following variants are displayed:
Searching the former French president. Sarkosy is a mispelling. Wikipedia asks if it could be sarköy.
LexiFon displays the following variants in the small window: