Paribus - Find out for free if online stores owe you a refund!
KOHO - KOHO is a place where you can access your money in real-time and get instant cashback.
ShadowBid - iOS App - A simple iOS app to automate saving money on Amazon
Stocard - All loyalty cards on your smartphone!
Slice Watch - Get an email when an item you've added drops in price 💸
Upromise - Upromise is the cashback coupon and rebate site.