Olapic - Olapic is a visual marketing platorm.
Yown It - Turn posts into purchases with a simple, lightning fast app
Soldsie - Soldsie is a social commerce platform that allows customers to purchase products through comments on Facebook, Instagram, and Pinterest.
Grover - Rent electronics for a month & try it before you buy.
Boo.st - Buy and sell everywhere using #hashtags.
Lumoid Locals - Peer-to-peer marketplace for short-term gadget rentals