Airbnb - Book unique places to stay and things to do.
Greenlight - An app that grades and recommends sustainable shopping.
FlatMateMe - FlatMateMe uses Facebook friends and interests to help people looking for rooms and roommates.
Swag Fair - Sustainable swag made by small businesses
Expedia - Save up to 60% with Expedia Mobile Exclusive hotel deals!
Ethical Resources - Huge repository of ethical alternatives to mainstream stuff