From OpenStreetMap Wiki
Mapping following area
- Zweisimmen, many, many, many tracks.
- Obersimmental, some tracks.
- Saanenland, few tracks.
- Eisenach, If I find something wrong in my home town.
- Aarau, especially Suhr.
Mapping following data types
- generally all types of tracks including street names
- national, regional and lokal cycling ways and hiking ways.
- buildings and addresses.