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1. Javascript port of the S2 Geometry library for the browser & nodejs

   TypeScript 79 6

2. Pelias is a modular open-source geocoder using Elasticsearch.

   Twig 3.5k 231

3. A C library for parsing/normalizing street addresses around the world. Powered by statistical NLP and open geo data.

   C 4.7k 465

4. An OpenStreetMap pbf parser which exports json, allows you to cherry-pick tags and handles denormalizing ways and relations. Available as a standalone binary and comes with a convenient npm wrapper.

   Go 155 38

5. Who's On First is a gazetteer of places.

   474 10

6. natural language classification engine for geocoding

   JavaScript 62 28