OpenCart - A free shopping cart system. OpenCart is an open source PHP-based online e-commerce solution.s
TrueCommerce - EDI Systems and EDI Software From TrueCommerce – The Industry’s Most Accredited Managed Service EDI Provider By ERP Software Publishers.
1ShoppingCart - 1ShoppingCart is an online store software to build a secure eCommerce storefront.
API2Cart - Connect your app with shopping platforms. As many as you need. Via one integration.
WooCommerce - A freely available eCommerce plugin that enables shop facilities on your WordPress website. Functionality enabling extensions & beautiful themes available.
Apicart - Add a Shopping Cart to your website, mobile or desktop app in minutes. Code less, do more!