Yelp - The free Yelp mobile app is the fastest and easiest way to search for businesses near you. Download it now to get started.
Google Places API - Google Places API is a best-in-class platform that offers a complete information about multiple places using HTTP requests.
Foursquare - Foursquare is all about helping you find new ways to explore your city.
Foursquare Places API - Foursquare Places API is an online platform that offers the best location-based experiences for your facilitation.
Carrd - Simple, responsive one-page site creator.
OpenStreetMap - OpenStreetMap is a map of the world, created by people like you and free to use under an open license.