Magento is a popular open-source eCommerce platform useful for building just about any online business. Written in PHP, Magento offers a plethora of features such as multi-store and multi-shipping support, SEO-readiness, catalog management, deep analytics, and so on. Magento is backed by eBay and is available to use as a cloud app and on-premise. In addition, it can be integrated with 3000+ apps such as Zapier, Xero, Zendesk, and HubSpot.