Onboarded - User Onboarding as a Service
RetailMenot - The RetailMeNot mobile app allows you to find deals on the go for both online shopping and in store shopping.
Coupons.com - Coupons & Coupon Codes, Savings & Deals
PriceCute - Keep up with your competition's pricing on Amazon
Slickdeals.net - Slickdeals: The Best Deals, Coupons & Discounts on everything
LaunchSpace - Lifetime deals for smart Marketers