Zenly - Zenly is a GPS tracker to locate your friends in realtime.
Togetheo - Meet people nearby, who share your interests 🌍
ToT: ThisOrThat - Let your friends choose this or that for you
Party with a Local - Party with a Local is a free app that connects travelers with locals that want to party.
sup - The first creep-free way to see nearby friends
FriendsTonight - Meet new friends to join your friends, tonight