Zenly - Zenly is a GPS tracker to locate your friends in realtime.
wisaw - What I Saw Today (cool things) -- Minimalistic Anonymous Photo Sharing
Google Maps - Find local businesses, view maps and get driving directions in Google Maps.
Augin - Augin is an augmented reality platform to create, publish and view augmented reality apps.
YouMap - The Human Atlas™
WallaMe - Hide messages in the real world using augmented reality