ifttt - IFTTT puts the internet to work for you. Create simple connections between the products you use every day.
Sellbery - Easily automate product feeds from Shopify, Magento to Amazon, eBay and other marketplaces. Fully utilize the most profitable eCommerce channels and increase sales.
Zapier - Connect the apps you use everyday to automate your work and be more productive. 1000+ apps and easy integrations - get started in minutes.
Enspire Commerce - Omni-channel ecommerce management solution
n8n.io - Free and open fair-code licensed node based Workflow Automation Tool. Easily automate tasks across different services.
eBay Enterprise - eBay Enterprise provides a variety of marketing, customer care, payment processing, fulfillment, fraud detection services.