I would like to understand the leading marketplace platforms that businesses use to build multi-vendor eCommerce marketplaces and connect buyers with sellers at scale. Which platforms—such as Shopify, BigCommerce, WooCommerce, Magento, Sharetribe, and Shopify Plus—are most widely adopted by startups, SMBs, and large enterprises? What key factors like ease of setup, customization flexibility, vendor management, payment integration, scalability, and performance should be considered when evaluating these platforms? Marketplace solutions enable businesses to manage products, vendors, transactions, and customer interactions within a single ecosystem. Additionally, how do modern no-code or cloud-based marketplace platforms compare with traditional open-source or self-hosted solutions in terms of cost, flexibility, and long-term scalability?