Magento is an open-source ecommerce platform that provides merchants with flexibility and control over their online stores. It was developed in 2007 and has gone through several versions and acquisitions. Over 250,000 online stores currently use Magento, powering 1.2% of internet commerce. Magento offers features for catalog management, marketing, checkout/payments, customer service, and analytics. Its technology stack includes PHP, Zend Framework, MySQL, Elasticsearch, and Varnish. Competitors include Shopify, BigCommerce, and WooCommerce. Adobe now owns Magento and offers several developer certifications.