what3words - Geocoding system for the simple communication of locations with a resolution of 3 m
ipgeolocation.io - Free IP Geolocation API and Accurate GeoIP Lookup Location Database
OpenStreetMap - OpenStreetMap is a map of the world, created by people like you and free to use under an open license.
ipinfo.io - Simple IP address information.
Pataa - Pataa simplifies your long complex address into a unique short code that is easy to share & navigate. Mark landmarks & guide address with your recorded voice.
ipdata.co - Get the Geolocation, Organisation, Currency, Timezone, Calling Code, Flag, Proxy, Tor and Threat intelligence data from any IPv4 or IPv6 address.