RetailMenot - The RetailMeNot mobile app allows you to find deals on the go for both online shopping and in store shopping.
Stocard - All loyalty cards on your smartphone!
Honey - Honey is a browser extension that automatically finds and applies coupon codes at checkout with a single click.
Gyft - Buy Digital and eGift Cards | Free Mobile Gift Card App
Rakuten - Feel the Joy of Cash Back. Find coupons and Cash Back in just 1 click with the Rakuten browser extension
Upromise - Upromise is the cashback coupon and rebate site.