osCommerce

Spree Commerce is a headless open-source e-commerce platform for multi-store, marketplace, or B2B global brands. Spree is a fully featured online store allowing to run multiple storefronts from a single admin dashboard, supporting multiple stock locations for omnichannel sales.

Bagisto is an eCommerce ecosystem designed for all to build and scale your business. It's an open-source eCommerce framework that offers you a wide range of functionality and lets you have total control of your store.

AbanteCart is an open-source e-commerce solution for small and midsize businesses that helps users create online stores to sell products and services.

PrestaShop is an open-source e-commerce platform allowing users to create an e-commerce presence, enabling them to sell products and services online.

OpenCart is an open-source eCommerce platform that gives you everything you need to create, scale, and run your business. It has all the tools to manage products, customers, orders, taxes, coupon codes, and more.

Magento by Adobe Commerce is an open-source e-commerce platform that lets you build your online store using drag and drop editors and many more features.

Wix eCommerce is an industry-leading eCommerce website builder with comprehensive business features that helps you develop, run, and scale your online store.

WooCommerce plugin for wordpress websites is the world’s most popular open-source eCommerce solution.