Penpal Café - Find a person you can share your observations with.
Party with a Local - Party with a Local is a free app that connects travelers with locals that want to party.
SuperDuo - Your everything experts - SuperDuo is a digital companion service that matches each elder member with a trained & fun buddy.
Palaround - Meet people you should be friends with.
Thaw - Meet people you should know, but don't
Babble - A more personalized social network