Top Open-Source eCommerce Platforms with Zero Cost

Powerful, feature‑rich platform from Adobe; highly extensible with a large marketplace of free extensions.

WordPress plugin that turns any site into a fully functional online store; massive ecosystem of free themes and extensions.

European‑origin eCommerce solution with a user‑friendly back‑office, over 600 free modules and themes.

Lightweight PHP‑based store with a simple admin interface and a large library of free extensions.

Ruby on Rails framework for building custom storefronts; modular architecture suited for developers.

Modern, GraphQL‑first, Python/Django headless eCommerce platform focused on performance and scalability.

Symfony‑based eCommerce framework offering a flexible API‑first approach for bespoke solutions.

Laravel‑powered platform with multi‑vendor, multi‑currency, and multi‑language support out of the box.

Community‑driven fork of Spree, providing a stable, production‑ready Rails eCommerce solution.

German‑engineered platform with a modern admin UI, API, and a vibrant plugin marketplace.

Part of the Odoo ERP suite; integrates sales, inventory, and accounting with a clean storefront builder.

Headless commerce engine built with Node.js; offers a flexible API for custom front‑ends.

Framework‑agnostic, PWA‑ready front‑end that can connect to any backend (Magento, Shopware, etc.).

Node.js/TypeScript based headless commerce framework with GraphQL API and plugin system.

API‑first, headless commerce platform focused on product content modeling and fast storefronts.

Java/Spring Boot eCommerce solution offering a modular architecture and RESTful APIs.

Enterprise‑grade Java framework with a community edition that supports multi‑tenant, B2B, and B2C scenarios.

ASP.NET Core based platform with a rich set of built‑in features and a large free plugin marketplace.

Real‑time, Meteor‑based headless platform designed for high‑traffic stores; now part of the Commerce.js ecosystem.

Symfony bundle for building marketplace platforms (B2B/B2C) with booking and service‑oriented features.

Core eCommerce engine released under an open‑source license; provides basic catalog and checkout features.

While Sylius Plus is paid, the community edition remains free and fully functional for most use‑cases.

PHP CMS with an eCommerce bundle; ideal for content‑driven storefronts.

Open‑source digital experience platform that includes product information management and eCommerce capabilities.

Fully functional demo store that can be cloned and customized; showcases Sylius capabilities.

High‑performance Laravel eCommerce package supporting multi‑vendor, B2B, and B2C scenarios.

Open‑source headless commerce platform with a GraphQL API and modular extensions.

While Shopify itself is SaaS, its theme development framework is open source and can be used with free storefronts.

Joomla! CMS paired with the VirtueMart component to create a free, extensible online store.

Commerce module for Drupal 9/10; leverages Drupal’s content capabilities for rich product experiences.

Laravel eCommerce package focused on simplicity and developer friendliness.

Free open‑source plugins for various platforms to enable Mollie payments without extra cost.

Free marketplace extension for OpenCart that adds multi‑vendor capabilities.

Adds powerful search capabilities to Sylius stores; completely free and open source.