Pattern by Etsy - Turn your Etsy shop into your own website
Trove Market - The easiest way to buy/sell used + vintage furniture
Masterworks - Invest in the world’s most valuable paintings.
Wallapop - Wallapop is a free mobile app that acts as a virtual flea market for buying and selling items locally.
Backflip - Selling your electronics just got easy
Twice - Online Secondhand Clothing Store