Akeneo - Akeneo is an open-source Product Information Management solution.
Sellbery - Easily automate product feeds from Shopify, Magento to Amazon, eBay and other marketplaces. Fully utilize the most profitable eCommerce channels and increase sales.
Pimcore - Pimcore is an award-winning data management and customer experience management software.
Enspire Commerce - Omni-channel ecommerce management solution
inRiver - inRiver offers product information management solutions helping B2C and B2B multi-channel commerce tell perfect stories across channels.
eBay Enterprise - eBay Enterprise provides a variety of marketing, customer care, payment processing, fulfillment, fraud detection services.