Woosmap - Woosmap is a Location-based Search Platform. A unique combination of location search APIs and solutions based on our proprietary data sourcing, without collecting any personal data.
ipstack - ipstack is a free, real-time IP address to location JSON API and database service supporting IPv4 and IPv6 lookup.
LocationAPI - Instantly locate any device w/ WiFi, celltowers & IP address
ipapi - Web analytics with IP address lookup and location API
IPLocate - 1,500 free IP address lookups per day. One, quick request.
ipgeolocation.io - Free IP Geolocation API and Accurate GeoIP Lookup Location Database