Gopher - Better hotel deals automatically, every time + cash back
Lolli - Earn bitcoin when you shop online
Hopper - Hopper is the #1 most downloaded travel app in North America! We aspire to be the world’s best — and most fun — place to book travel.
Paribus - Find out for free if online stores owe you a refund!
MakCorps - Hotel Price Comparison API
Slice Watch - Get an email when an item you've added drops in price 💸