CouponScout - Get notified when your discount codes leak
Honey - Honey is a browser extension that automatically finds and applies coupon codes at checkout with a single click.
Subscription Stimulus Package - 10% of your MRR in free software.
Wikibuy - Find lower prices at other sellers while you shop on Amazon
CouponFollow Cently - Coupons at Checkout is a browser plugin for Chrome, Firefox, Internet Explorer, and Safari that...
Couponise - Simple loyalty & referral campaigns