Folder Marker - Change folder color in two mouse clicks for easy at-a-glance identification.
Spott - API to work with cities, countries and political divisions.
Folder Painter - Folder Painter is an easy to use Portable Freeware program, which allows you to change the color of the icon representing a chosen folder to any color you like
BigDataCloud IP Geolocation API - Next Generation IP GeolocationAPI
Teorex FolderIco - FolderIco allows to change the color of Windows folder in one click!
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.