Party with a Local - Party with a Local is a free app that connects travelers with locals that want to party.
Glympse - Glympse is the easy way to safely share your location in realtime. No sign-up needed.
Podshare - A membership based live/work community.
Zenly - Zenly is a GPS tracker to locate your friends in realtime.
Vamos - Local Event Discovery
LockOnMe - LockOnMe is a location-sharing app, displaying targets and associated Points Of Interest on maps & fun radars.