RetailMenot - The RetailMeNot mobile app allows you to find deals on the go for both online shopping and in store shopping.
Onboarded - User Onboarding as a Service
Honey - Honey is a browser extension that automatically finds and applies coupon codes at checkout with a single click.
Dealspotr - Dealspotr is like Wikipedia for deals.
PriceCute - Keep up with your competition's pricing on Amazon
Groupon - Each day Groupon offers a deal through local vendors in your city.