FareUpThere - Earn rewards for your feedback on flights
Getaround - Instantly rent cars near you. Rent nearby cars, trucks, and vans, by the hour or day.
Eighty App - Convenient travel wishlist app with booking alerts
SocialCar - SocialCar is the first peer to peer car rental service operating in Spain.
Skyscanner - Skyscanner.com compares over 1000 airlines to find you the cheapest airfares, fast.
RelayRides - RelayRides is a peer-to-peer car sharing marketplace. Rent cars from people in your community.