Glympse - Glympse is the easy way to safely share your location in realtime. No sign-up needed.
T-Mobile FamilyWhere - With the usage of this simple family locating and family finder application you can find other connected users on an account by location on a map.
LockOnMe - LockOnMe is a location-sharing app, displaying targets and associated Points Of Interest on maps & fun radars.
Funa Family Locator - Funa Family Locator is one of the leading GPS tracking based real-time family and friends tracking and locating finding application.
Foursquare - Foursquare is all about helping you find new ways to explore your city.
Sprint Family Locator - Sprint Family Locator is a multipurpose family locating application where first you need to connect all of the smartphones being used by your family members so that you can track them in case of emergency.