What is the best way to convert latitude/longitudes into a street address at a high scale in batch?

Question

The existing questions are related to real-time needs; the answers are API-based solutions. These solutions are not well suited to do a large batch task.

• Convert Latitude/Longitude To Address

This solution suggests caching google results for a short time:

• what is the best geocode to get long and lot for a street address?

Is there a better solution? If there is not a good open-source dataset available for this then do you know of a good paid service?

Answer 1

Open Street Map has the Nominatim database which might do what you need.