RetailMenot - The RetailMeNot mobile app allows you to find deals on the go for both online shopping and in store shopping.
Jovo - 🗣 Build cross-platform apps for Alexa and Google Home
Slickdeals.net - Slickdeals: The Best Deals, Coupons & Discounts on everything
Voice Principles - Guiding principles for voice design, all in one place
Honey - Honey is a browser extension that automatically finds and applies coupon codes at checkout with a single click.
Alexa Skill Kit - Effortless Alexa Skill development with AWS Lambda