Gumroad - An all-in-one solution to sell your work and grow your audience.
Etsy - Buy and sell handmade or vintage items, art and supplies on Etsy, the worlds most vibrant handmade...
Payhip - Sell digital downloads, courses, coaching, and more from one simple platform.
eBay - Buy and sell electronics, cars, fashion apparel, collectibles, sporting goods, digital cameras, baby items, coupons, and everything else on eBay, the world's online marketplace
robora - Robora is a service which aims to help you sell anything, anyway you like.
eBid - eBid. The worlds online auction marketplace.