BigCommerce is known for its exceptional SEO capabilities, with features like automated image optimization and customizable URLs, which can help improve a website's search engine ranking.

WooCommerce is a free plugin for WordPress, making it an affordable option for small businesses looking to establish an online presence.

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Shopify has its own app store, offering over 6,000 third-party integrations, from email marketing to inventory management, providing users with the ability to customize and streamline their online store.

Wix offers a free plan for users to build their website, although ecommerce functionality is limited to the paid plans.

Adobe Commerce (formerly Magento) is an open-source platform, which means it is free to download and use.

However, it requires technical knowledge to set up and maintain.

Square Online offers a point of sale (POS) system that integrates with its ecommerce platform, allowing brick-and-mortar businesses to manage both online and offline sales in one place.

Shopify Lite is a stripped-down version of Shopify that allows users to sell products on social media or an existing website for a lower cost than the full Shopify plan.

Wix, Squarespace, and Weebly offer drag-and-drop website builders, which are user-friendly and require no coding knowledge.

BigCommerce and Shopify provide abandoned cart recovery features, which can help businesses recover potentially lost sales by automatically sending follow-up emails to customers who left items in their cart without completing the purchase.

Shift4Shop (formerly 3dcart) offers a built-in CRM (customer relationship management) system that allows businesses to manage customer interactions, orders, and track marketing campaigns.

Ecwid is a software-as-a-service (SaaS) ecommerce platform that can be integrated with an existing website or social media page, making it a flexible option for businesses with existing online presence.

WooCommerce has a vast library of free and paid extensions, allowing users to add features like automatic tax calculation, wish lists, or booking systems to their online store.