LocationAPI - Instantly locate any device w/ WiFi, celltowers & IP address
PublicAPIs - Explore the largest API directory in the galaxy
IPTrace - API to build location-aware mobile and web apps
API List - A collective list of APIs. Build something.
PlacesAPI UK - Turn any HTML container into a high-performance, instant location lookup. Use it standalone or enjoy native support for Algolia InstantSearch.
API for Product Managers - The A to Z of APIs for product managers