RetailMenot - The RetailMeNot mobile app allows you to find deals on the go for both online shopping and in store shopping.
Form 2 - The most advanced desktop 3d printer ever created
Slickdeals.net - Slickdeals: The Best Deals, Coupons & Discounts on everything
Obsidian 3D Printer - The $99 3D printer
Honey - Honey is a browser extension that automatically finds and applies coupon codes at checkout with a single click.
Glowforge - The 3D laser printer