- [Spree Commerce](https://spreecommerce.org) - Spree is a complete, modular & API-driven open source e-commerce solution for Ruby on Rails. ([Demo](https://new-ux.spreecommerce.org/), [Source Code](https://github.com/spree/spree)) `BSD-3-Clause``Ruby`
- [Sylius](https://sylius.com) - Symfony2 powered open source full-stack platform for eCommerce. ([Demo](https://sylius.com/try/), [Source Code](https://github.com/Sylius/Sylius)) `MIT``PHP`
- [Thelia](https://thelia.net/) - Thelia is an open source and flexible e-commerce solution. ([Demo](https://demo.thelia.net/), [Source Code](https://github.com/thelia/thelia)) `LGPL-3.0``PHP`
- [Vendure](https://www.vendure.io) - A headless commerce framework built on Node.js, TypeScript & GraphQL. ([Demo](https://demo.vendure.io), [Source Code](https://github.com/vendure-ecommerce/vendure)) `MIT``Nodejs`
- [WooCommerce](https://woocommerce.com/) - WordPress based e-commerce solution. ([Source Code](https://github.com/woocommerce/woocommerce)) `GPL-3.0``PHP`