Sharetribe - Build your online marketplace business. You don't need a developer.
Subscription Payments by involve.me - Launch a subscription business in one day
Cocorico - Cocorico is a state-of-the art Open Source solution to create an Airbnb or Blablacar for anything.
Killbill - Open-Source Subscription Billing and Payment Platform
MarketplaceKit - MarketplaceKit is a platform for building different types of online marketplaces.
Chargebee - Chargebee lets you manage subscriptions and payments at scale, handle custom recurring billing scenarios, reduce subscription churn and simplify accounting.