One of the most powerful eCommerce platforms. Magento has 2 editions: Community (Free) & Enterprise (Paid).

An easy-to-use, powerful open-source eCommerce platform.

Like Magento, PrestaShop supports both hosted and open-source platforms.

One of the most popular eCommerce platforms worldwide. WooCommerce is an open-source shopping cart plugin that works expressly with WordPress.

Shopify is one of the most popular, easy-to-use cloud-based eCommerce platforms.

Same as Shopify, BigCommerce is one of the most popular hosted eCommerce platforms.

OsCommerce is an open-source platform that is very similar to OpenCart in structure.

Looking for a fully hosted eCommerce shopping cart solution? 3dcart might be just what you need to sell online.

X-Cart is a commercial open-source shopping cart platform distributed through the SaaS solution, or via download package.

CS-Cart is fully licensed, self-hosted software that comes in two forms: a shopping cart software and a multi-vendor solution.

AmeriCommerce is a cloud-based, fully hosted eCommerce platform that gives you the ability to launch and run your online store with ease.

osCmax is a free open-source platform based on OsCommerce, but with more advanced features.

Gambio is an all-in-one eCommerce solution. That means it is a cloud-based software.

Zen Cart is a PHP open-source eCommerce software based on OsCommerce.