Sharetribe - Build your online marketplace business. You don't need a developer.
Arcadier - Build an online marketplace in minutes, no coding required.
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.
Cocorico - Cocorico is a state-of-the art Open Source solution to create an Airbnb or Blablacar for anything.
My Marketplace Builder - The world’s most customizable marketplace software. Easy to use and fully scalable for your business needs.
MarketplaceKit - MarketplaceKit is a platform for building different types of online marketplaces.