Glympse - Glympse is the easy way to safely share your location in realtime. No sign-up needed.
Foursquare - Foursquare is all about helping you find new ways to explore your city.
Wherezat - Wherezat is Fast, free, and easy way to share your location with your friend or family.
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.
Zenly - Zenly is a GPS tracker to locate your friends in realtime.
Yellow Pages - YP.com local search connects you with over 19 million local businesses.