Zen Cart

Zen Cart is a free, open-source shopping cart system that merchants install on their own web hosting. It creates a complete online store rather than adding only payment buttons to an existing website.

The project supports product catalogs, customer accounts, checkout, payments, shipping, taxes, discounts, templates, multiple currencies, and multiple languages. Zen Cart is maintained through community development, documentation, plugins, and support forums.

The current official download page lists version 2.2.2. The software requires a compatible PHP environment, a web server, a MySQL or MariaDB database, and merchant-managed security and maintenance.

Zen Cart includes catalog administration, product attributes, multiple product images, linked products, downloadable products, stock notifications, and product pricing controls.

Pricing tools include specials, sales, coupons, quantity discounts, customer-group pricing, minimum and maximum quantities, and configurable product attributes. The platform can support wholesale pricing through multiple pricing tiers.

Payment modules support options including PayPal, Authorize.net, check or money order, cash on delivery, and free orders. Additional modules support services such as Square, Helcim, and Stripe.

Shipping functions support configurable rates and modules for carriers such as UPS, USPS, FedEx, Royal Mail, and Canada Post. ShipStation support is available for shipping-label workflows through integration.

The template system separates presentation from core application logic. Developers can extend stores through plugins, payment and shipping modules, database changes, event notifier hooks, and PHP customization.

Zen Cart’s core software is available without a license fee under version 2 of the GNU General Public License. The official site lists no monthly license charge and no revenue-based fees.

Because Zen Cart is self-hosted, merchants must separately arrange hosting, domain registration, SSL, payment-provider charges, development, security work, and ongoing maintenance. Plugin pricing varies by developer and extension.

Zen Cart does not offer a conventional time-limited free trial. The downloadable software itself is free to use, subject to the GPL license.

Pros: The core platform has no license fee, supports extensive customization, includes many commerce functions, and offers a large community plugin library. Merchants retain control of their hosting, source code, and store data.

Cons: Merchants must manage hosting, installation, security, backups, compatibility, and upgrades. The platform does not provide a hosted SaaS operating model, and some integrations require third-party modules or custom development.

G2 reviewers commonly describe Zen Cart as flexible and community-supported, while also noting that its interface and technical requirements can challenge non-technical users.

WooCommerce is a comparable open-source option for merchants already using WordPress. PrestaShop and OpenCart are dedicated self-hosted commerce platforms with comparable catalog and extension models.

Magento Open Source is another self-hosted alternative for organizations with more complex catalogs and technical resources. Shopify and BigCommerce provide hosted alternatives that reduce server administration but use subscription-based commercial models.

Is Zen Cart free? Yes. The core software is distributed under GNU GPL version 2 without a software license charge.

Is Zen Cart hosted? No. It is self-hosted, so the merchant supplies web hosting, SSL, database services, and server administration.

What server does Zen Cart require? Current releases require a compatible PHP installation, Apache or Nginx, and MySQL or MariaDB. Exact versions depend on the Zen Cart release.

Does Zen Cart have an API? No standalone public REST API was verified in the official documentation reviewed. Zen Cart instead provides PHP-based modules, plugins, database access, and notifier hooks for extensions.

What payment providers work with Zen Cart? Official documentation lists PayPal and Authorize.net modules, while additional supported modules include Square, Helcim, and Stripe.

Does Zen Cart offer a free trial? A trial period is not applicable. The software can be downloaded and installed without a license fee.