Gopher - Better hotel deals automatically, every time + cash back
ONE:NIGHT - Last minute reservations at only the best hotels
Hotellook - Compare hotel deals from all the leading booking agencies
MakCorps - Hotel Price Comparison API
CouponLab - Save with special deals at couponLab.com We offer you up-to-date coupons from your favorite brands by delivering them with the latest deals from their favorite stores in an easy to use.
HotelTonight Escape - The best getaway deals for tonight (or the weekend)