Fat Lama - Borrow stuff you need. Lend stuff you don't
Airbnb - Book unique places to stay and things to do.
Idle - Rent Any Thing - A Peer-to-Peer Renting Community for Idle Goods
Expedia - Save up to 60% with Expedia Mobile Exclusive hotel deals!
Daylui.com - Daylui is an "Airbnb for everyhing else".
FlatMateMe - FlatMateMe uses Facebook friends and interests to help people looking for rooms and roommates.