Glympse - Glympse is the easy way to safely share your location in realtime. No sign-up needed.
Facebook Places - Let your friends help you discover restaurants, hotels, museums and more.
Pathshare - Pathshare is a beautiful app that helps you share your path in realtime.
Zenly - Zenly is a GPS tracker to locate your friends in realtime.
Foursquare - Foursquare is all about helping you find new ways to explore your city.
People Tracker App - People Tracker helps you to stay connected to your family, friends, employees... or anyone else you want to locate in real-time. People Tracker allows you to stay connected to the people who matter most for you.