Experlogix CPQ - Proposal management, quoting, and product configurator
RetailMenot - The RetailMeNot mobile app allows you to find deals on the go for both online shopping and in store shopping.
Oracle CPQ Cloud - CPQ software & Quote-to-Cash app
Slickdeals.net - Slickdeals: The Best Deals, Coupons & Discounts on everything
CloudSense - CPQ and order management native to Salesforce
Honey - Honey is a browser extension that automatically finds and applies coupon codes at checkout with a single click.