Expedia - Save up to 60% with Expedia Mobile Exclusive hotel deals!
Tripadvisor - The Tripadvisor mobile app is available for the Android and iOS platforms. It can be used to create reviews of hotels, restaurants, and to chat with other travelers on Tripadvisor forums.
Booking.com - Find your next stay. Search deals on hotels, homes, and much more...
Wikivoyage - the free worldwide travel guide that anyone can edit.
Triptipedia - Triptipedia is a free collaborative encyclopedia of travel tips, where everyone can browse, save and share tips for better travel!
Airbnb - Book unique places to stay and things to do.