Sello - Sello is the simplest way to sell online.
Primo - Like Amazon's 1-click shopping--but for everything
5miles - 5miles isn’t just a buying & selling app. It’s a way to become a better neighbor. Buy & sell used cars, furniture, electronics or offer services like beauty, auto repair, and home cleaning locally using the 5miles app.
Backflip - Selling your electronics just got easy
Swappy - The app to swap Items with people around you
Fobo - Forget Craigslist, use this to buy/sell electronics (SF)