RetailMenot - The RetailMeNot mobile app allows you to find deals on the go for both online shopping and in store shopping.
DontPayFull - Verified coupons and discounts for a variety of online retailers.
Discount Reactor - Find the best selected coupon codes, hot deals, fresh promotions and great special offers from more than 2634 stores at DiscountReactor
Dealspotr - Dealspotr is like Wikipedia for deals.
DaBash Deals - DaBash Deals: The Best Deals, Coupons, Promo Codes, Discounts, & Sales selected just for you
Honey - Honey is a browser extension that automatically finds and applies coupon codes at checkout with a single click.