
Medusa
Headless open-source commerce platform — modular, API-first, built for developers.
MIT-licensed alternative to Shopify. TypeScript commerce modules for products, carts, orders, and fulfillment — self-host or use Medusa Cloud with any storefront.
Bagisto
Open-source Laravel eCommerce — marketplace, B2B, headless, and multi-store ready.
MIT-licensed alternative to Shopify and Magento. Multi-vendor, multi-currency, Vue.js admin, headless API, and Flutter mobile — self-hosted on Laravel.
Solidus
Flexible Ruby on Rails e-commerce — full control, zero licensing fees.
BSD-3-Clause fork of Spree for stability and customization. Modular gems (core, backend, API), custom storefronts, and Stripe/PayPal/Braintree integrations.

Shopware
Open headless commerce — Symfony, Vue.js, and 3,100+ extensions.
MIT-licensed alternative to Magento. API-first experience commerce with CMS, rule builder, and a worldwide extension ecosystem — self-host or Shopware Cloud.