Backflip - Selling your electronics just got easy
Sharetribe - Build your online marketplace business. You don't need a developer.
Whatnot - The safest place to buy & sell collectibles
Shopify - Shopify is a powerful ecommerce platform that includes everything you need to create an online store and sell online. Try it free for 14 days.
Experify - Connecting you to owners of products for honest opinions.
Arcadier - Build an online marketplace in minutes, no coding required.