RetailMenot - The RetailMeNot mobile app allows you to find deals on the go for both online shopping and in store shopping.
Big Apple Buddy - Shop the U.S. with ease
Honey - Honey is a browser extension that automatically finds and applies coupon codes at checkout with a single click.
Search & Destroy Chrome Extension - When shopping, only see the same product once
Slickdeals.net - Slickdeals: The Best Deals, Coupons & Discounts on everything
Countr - Personal shopping destination for you and your tribe