WooCommerce is an open-source eCommerce platform built on WordPress that helps merchants and developers create thriving online stores. Popular among small businesses and enterprises alike, it offers a user-friendly interface with drag-and-drop website building, comprehensive inventory management, and secure payment processing. The platform shines through its extensive customization options, allowing users to tailor their stores with various themes and plugins, while built-in marketing tools and analytics help drive sales and track performance.