Honey - Honey is a browser extension that automatically finds and applies coupon codes at checkout with a single click.
LoyaltyLion - LoyaltyLion is a data-driven loyalty and engagement platform trusted by thousands of ecommerce brands worldwide.
Wikibuy - Find lower prices at other sellers while you shop on Amazon
White Label Loyalty - White Label Loyalty is an enterprise loyalty platform that offers simple solutions for complex needs to businesses struggling with customer loyalty, retention and engagement.
CouponFollow Cently - Coupons at Checkout is a browser plugin for Chrome, Firefox, Internet Explorer, and Safari that...
Open Loyalty - 100% customizable loyalty platform with ready to-use-features gamification and loyalty features. Available in Open Source and Enterprise edition.