Img.vision - Image hosting & video hosting for eCommerce sellers
Cocorico - Cocorico is a state-of-the art Open Source solution to create an Airbnb or Blablacar for anything.
BeeIMG - BeeIMG is a simple, fast, easy image sharing solution created to fill up your image sharing needs.
MarketplaceKit - MarketplaceKit is a platform for building different types of online marketplaces.
ImageVenue - ImageVenue is a great online hosting service that allows uploading pictures for showing creative works with a simple-to-use technique.
Sharetribe - Build your online marketplace business. You don't need a developer.