OpenCart

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.

osCommerce is an open-source and self-hosted shopping cart that includes both a shop front and back end, which can be customized using thousands of add-ons.

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.

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.