Reaction Commerce is an open‑source, real‑time commerce platform built on Node.js. Below are 20 free (open‑source or freemium) eCommerce solutions that can serve as alternatives for building online stores without licensing fees.
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Powerful, feature‑rich PHP platform with a large ecosystem of extensions and themes.
European‑origin PHP eCommerce solution offering over 600 modules and a vibrant community.
Modular Ruby on Rails framework focused on flexibility and API‑first architecture.
Laravel‑based open‑source platform offering multi‑vendor, multi‑currency, and multi‑language support.
Community‑driven fork of Spree, providing a stable Ruby on Rails eCommerce foundation.
German‑engineered PHP platform with a focus on storytelling and immersive shopping experiences.
ASP.NET Core platform with a rich set of built‑in features and a large plugin marketplace.
Integrated suite of business apps; the community edition includes a basic, fully customizable storefront.
SaaS‑style free tier that can be embedded into any website, offering essential catalog and checkout features.
Commerce module for Drupal CMS, delivering a highly extensible, content‑driven shopping experience.
Symfony‑based CMS with an eCommerce bundle, ideal for custom, content‑rich storefronts.
Lightweight Joomla! component that turns any article into a product with a simple checkout.