Party with a Local - Party with a Local is a free app that connects travelers with locals that want to party.
RoomForTea - A female-friendly housing network in London, UK.
Cool Cousin - Shaking up the travel world with good old human connection
tripcake - Doodle for travel plans with friends
Triip.me - The happiest way to travel in 227 countries
Magpie - Female travelers club - meet women like you when you travel