Grover - Rent electronics for a month & try it before you buy.
Rally Rd. - Invest in blue-chip classic cars like stocks
Nespresso Index - The caffeinated version of the Big Mac Index.
VC Trading Cards - Silicon Valley's VC history in one deck of cards
Origin Marketplace - Power hundreds of decentralized, peer-to-peer marketplaces
SnapUp - Wireframe faster / create amazing user interfaces