expo-location
Allows reading geolocation information from the device. Your app can poll for the current location or subscribe to location update events.
react-geocode
A module to transform a description of a location (i.e. street address, town name, etc.) into geographic coordinates (i.e. latitude and longitude) and vice versa.
node-geocoder
Node Geocoder, node geocoding library, supports google maps, mapquest, open street map, tom tom, promise
