RetailMenot - The RetailMeNot mobile app allows you to find deals on the go for both online shopping and in store shopping.
Stampd - A document blockchain stamping service
Slickdeals.net - Slickdeals: The Best Deals, Coupons & Discounts on everything
iotlist - Discover the internet of things
Honey - Honey is a browser extension that automatically finds and applies coupon codes at checkout with a single click.
The IoT List - A directory of all the best IoT resources and products.