SheepIt Render Farm - A free distributed render farm for Blender
RetailMenot - The RetailMeNot mobile app allows you to find deals on the go for both online shopping and in store shopping.
TurboRender - Rendering at your workstation?
Slickdeals.net - Slickdeals: The Best Deals, Coupons & Discounts on everything
RebusFarm - RebusFarm is a 3D rendering software.
Honey - Honey is a browser extension that automatically finds and applies coupon codes at checkout with a single click.