Spott - API to work with cities, countries and political divisions.
ipinfo.io - Simple IP address information.
Sidekick - Email tracking plugin for Gmail.
BigDataCloud IP Geolocation API - Next Generation IP GeolocationAPI
The COVID Pages - A crowdsourced directory of resources to ease the crisis 🌎
IP Location - IPLocation.io provides a free lookup tool to check the location of your Public IP Address. It finds this data through various GEO IP databases and online services. Just enter an IP and check its location easily.