Trove Market - The easiest way to buy/sell used + vintage furniture
Kasera - Furniture comparison platform with products from all brands
Modsy - Interior Design You Don't Have to Imagine. See your exact room, expertly designed in 3D with actual pieces of furniture from well-known retailers that you can buy on the spot.
Backflip - Selling your electronics just got easy
Feather Icons - Simply beautiful open source icons
Facebook Marketplace - Marketplace is a convenient destination on Facebook to discover, buy and sell items with people in your community.