eBay Enterprise - eBay Enterprise provides a variety of marketing, customer care, payment processing, fulfillment, fraud detection services.
OpenCart - A free shopping cart system. OpenCart is an open source PHP-based online e-commerce solution.s
Sellbery - Easily automate product feeds from Shopify, Magento to Amazon, eBay and other marketplaces. Fully utilize the most profitable eCommerce channels and increase sales.
Jumpseller - Start Your Online Store! Grow your business.
OrderDynamics - Order management & digital commerce for retailers & brands
WooCommerce - A freely available eCommerce plugin that enables shop facilities on your WordPress website. Functionality enabling extensions & beautiful themes available.