Airbnb - Book unique places to stay and things to do.
Car2Go - Hourly car rental without designated pickup / drop off
FlatMateMe - FlatMateMe uses Facebook friends and interests to help people looking for rooms and roommates.
SocialCar - SocialCar is the first peer to peer car rental service operating in Spain.
Expedia - Save up to 60% with Expedia Mobile Exclusive hotel deals!
ZipCar - ZipCar is a free mobile app that connects you with rental vehicles just about anywhere in the world. You can instantly reserve a vehicle, and even unlock it directly from the app.