ONE:NIGHT - Last minute reservations at only the best hotels
Party with a Local - Party with a Local is a free app that connects travelers with locals that want to party.
Gopher - Better hotel deals automatically, every time + cash back
Cool Cousin - Shaking up the travel world with good old human connection
Sponstayneous - It's like Scott's Cheap flights, but for Airbnb's.
Triip.me - The happiest way to travel in 227 countries