Sharetribe - Build your online marketplace business. You don't need a developer.
MarketplaceKit - MarketplaceKit is a platform for building different types of online marketplaces.
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.
IZBERG - IZBERG provides mid-size and global B2C and B2B companies with solutions to create scalable and flexible online marketplace.
Hatch.li - Create your marketplace business in 48 hours without code and accompanied by a Hatch expert.