* [OXID eShop](http://oxidforge.org) - OXID eShop is a flexible open source e-commerce software with a wide range of functionalities. ([Demo](http://demoshop.oxid-esales.com/community-edition/), [Source Code](https://github.com/OXID-eSales/oxideshop_ce)) `GPLv3``PHP`
* [PrestaShop](https://www.prestashop.com/) - PrestaShop offers a free, open-source and fully scalable e-commerce solution. ([Demo](http://demo.prestashop.com/), [Source Code](https://github.com/PrestaShop/PrestaShop)) `OSLv3``PHP`
* [Shoop](https://www.shoop.io/) - Django powered fully customizable open source e-commerce framework for small and large sites. ([B2C demo](https://demo1.shoop.io/), [B2B demo](https://demo2.shoop.io/), [Source Code](https://github.com/shoopio/shoop)) `AGPLv3``Python`
* [Sylius](http://sylius.org/) - Symfony2 powered open source full-stack platform for eCommerce. ([Demo](http://sylius.org/demo), [Source Code](https://github.com/Sylius/Sylius)) `MIT``PHP`
* [WooCommerce](https://www.woothemes.com/woocommerce/) - WordPress based e-commerce solution. ([Source Code](https://github.com/woothemes/woocommerce)) `GPL``PHP`