FREEDOM251

Freedom251 › Headless Ecommerce Platforms

Unchained Engine

Free plan APISelf-hostedWeb

Visit Unchained Engine Alternatives Pricing

What Unchained Engine is

Unchained Engine is a free, open-source e-commerce platform built with Node.js and GraphQL. It separates the storefront from the backend, allowing one backend to serve web, mobile, IoT, and social commerce. Its listed commerce modules cover product catalogs, orders, payments, delivery, warehousing, and user authentication with role-based access control. Developers have a GraphQL API, TypeScript support, a built-in playground, hot module reloading, and a plugin system. Integrations include Stripe, PayPal, Datatrans, SendGrid, Mailchimp, Twilio, DHL, UPS, AWS S3, Google Cloud, and Cloudinary. Security features listed by the maker include WebAuthn/passkeys, encrypted sessions, access controls, and payment tokenization that keeps card data off platform servers. It can be self-hosted and is Docker-ready for Docker or Kubernetes. The software is free under EUPL terms, with no licensing or per-transaction fees, but hosting infrastructure is paid by the user. Distributed modifications must use compatible open-source terms.

Who it suits

It suits teams building anything from a simple store to a complex B2B marketplace, particularly those that want to manage their own deployment. Developers can use its GraphQL and TypeScript support and plugin system to build around its commerce modules.

What it does well

  • Free under EUPL, with no licensing or per-transaction fees.
  • One backend can serve web, mobile, IoT, and social commerce.
  • Includes product, order, payment, delivery, and warehousing modules.
  • Docker-ready for Docker or Kubernetes environments.
  • Payment tokenization keeps card data off platform servers.

What to know first

  • Users pay for hosting infrastructure.
  • Distributed modifications must use compatible open-source terms.
  • Self-hosting requires users to manage deployment.

Limits

The software has no licensing or per-transaction fees, but hosting infrastructure is paid by the user. Distributed modifications must use compatible open-source terms.

Plans

PlanBilled and limitsPrice
Unchained Engine100% free and open-source · no licensing or per-transaction fees · hosting infrastructure is paid by userFree

As unchained.shop lists them, read 3 Oct 2026. The maker's own page has the final word.

Getting started

  1. Visit the Unchained Engine website.
  2. Choose the web, API, or self-hosted deployment route.
  3. Deploy on Docker or Kubernetes, or arrange other hosting infrastructure.
  4. Connect a frontend to the GraphQL API and configure the commerce modules and integrations you need.

Verdict

Unchained Engine offers a free, self-hosted foundation with a broad set of commerce modules and a GraphQL development stack. Account for hosting costs and open-source obligations when planning a deployment.

Questions

How much does Unchained Engine cost?

The Unchained Engine plan is free. The maker says there are no licensing or per-transaction fees, while hosting infrastructure is paid by the user.

Is Unchained Engine open source?

Yes. It is free under the EUPL. Distributed modifications must use compatible open-source terms.

Can I host Unchained Engine myself?

Yes. It can be self-hosted and is Docker-ready for Docker or Kubernetes environments.

What API does it provide?

It provides a GraphQL API, TypeScript support, a built-in GraphQL playground, hot module reloading, and a plugin system.

What commerce use cases does it support?

Its listed capabilities include B2B commerce, subscription products, marketplaces, and inventory management. The platform is described for simple stores as well as complex B2B marketplaces.

Where is Unchained Engine's maker based?

Unchained Commerce GmbH lists its address in Zürich, Switzerland.

Facts from Unchained Engine's own pages

API and development
It provides a GraphQL API, TypeScript support, a built-in GraphQL playground, hot module reloading, and a plugin system. · unchained.shop, 3 Oct 2026
Commerce features
Its listed modules include product catalogs, orders, payments, delivery, warehousing, and user authentication with role-based access control. · unchained.shop, 3 Oct 2026
Company location
Unchained Commerce GmbH lists its address in Zürich, Switzerland. · unchained.shop, 3 Oct 2026
Compliance support
The features page says its structured OCSF audit logging is compatible with SOC 2, GDPR, and HIPAA compliance reporting. · unchained.shop, 3 Oct 2026
Deployment
The engine can be self-hosted and the maker says it is Docker-ready for deployment on Docker or Kubernetes environments. · unchained.shop, 3 Oct 2026
Headless architecture
The engine separates the frontend from the backend and says it can power web, mobile, IoT, and social commerce from one backend. · unchained.shop, 3 Oct 2026
Headquarters
Zürich, Switzerland · unchained.shop, 28 Sept 2026
Integrations
Listed integrations include Stripe, PayPal, Datatrans, SendGrid, Mailchimp, Twilio, DHL, UPS, AWS S3, Google Cloud, and Cloudinary. · unchained.shop, 3 Oct 2026
Open-source terms
The FAQ says the software is free under the EUPL, with no licensing or per-transaction fees, and that distributed modifications must use compatible open-source terms. · unchained.shop, 3 Oct 2026
Security
The features page lists WebAuthn/passkeys, role-based access control, encrypted sessions, and payment tokenization that keeps card data off the platform servers. · unchained.shop, 3 Oct 2026
Support
The maker offers contact by email and Discord, and says commercial support, implementation, and custom development services are available through unchained.ch. · unchained.shop, 3 Oct 2026
Use cases
The platform is described as suitable for simple stores and complex B2B marketplaces. · unchained.shop, 3 Oct 2026
What it is
Unchained Engine is an open-source, headless e-commerce platform built with Node.js and GraphQL. · unchained.shop, 3 Oct 2026

Where Unchained Engine stands on Freedom251

Look at these too