Paribus - Find out for free if online stores owe you a refund!
Lolli - Earn bitcoin when you shop online
Panda Cash Back - This page is dedicate for Panda Cash Back Website Save Money with Coupons and cash back shopping coupon codes, deals, and cash back
Honey - Honey is a browser extension that automatically finds and applies coupon codes at checkout with a single click.
DiscountSignal - DiscountSignal helps you earn cashback, rewards and offers for Restaurant, Bar or Cafe receipts.
ShadowBid - iOS App - A simple iOS app to automate saving money on Amazon