Iris - The fastest web framework for Go in (THIS) earth
Foursquare - Foursquare is all about helping you find new ways to explore your city.
GeoSpark - Location tracking SDK with 90% less battery drain 🔋
Tripadvisor - The Tripadvisor mobile app is available for the Android and iOS platforms. It can be used to create reviews of hotels, restaurants, and to chat with other travelers on Tripadvisor forums.
Citizen - Stay safe with instant alerts about nearby crime
Yellow Pages - YP.com local search connects you with over 19 million local businesses.