Wikibuy - Find lower prices at other sellers while you shop on Amazon
Paribus - Find out for free if online stores owe you a refund!
Honey - Honey is a browser extension that automatically finds and applies coupon codes at checkout with a single click.
Lolli - Earn bitcoin when you shop online
CouponFollow Cently - Coupons at Checkout is a browser plugin for Chrome, Firefox, Internet Explorer, and Safari that...
Slice Watch - Get an email when an item you've added drops in price 💸