PrestaShop

Medusa

Medusa is a flexible, API‑first commerce engine that lets developers build custom shopping experiences without vendor lock‑in. It runs on Node.js and can be self‑hosted, giving full control over performance, data, and integrations. With a modular plugin system and out‑of‑the‑box support for popular payment providers, Medusa enables rapid development of scalable, multi‑channel storefronts while keeping costs low.

Shift4Shop

Shift4Shop (formerly 3dcart) is a hosted SaaS e-commerce platform that lets businesses build an online store, manage inventory, process payments, and handle shipping from a single integrated system. It includes a drag-and-drop website builder with over 100 customizable themes, along with a free domain and SSL certificate. The platform bundles real-time shipping integrations with major carriers, AI-driven fraud protection powered by Kount, and built-in SEO tools. Shift4Shop targets small to mid-sized businesses launching or migrating online stores, and it markets its unlimited-tier plan as a lower-cost alternative to enterprise e-commerce platforms.

Shoptet

Shoptet is a Czech ecommerce platform that lets merchants build and run an online store without coding, founded in 2008 and now, per its own site, used by more than 47,800 online store owners generating roughly 91 billion CZK in annual turnover. Its core product is a customizable store builder with templates and a no-code admin interface, supplemented by a mobile app for managing the business on the go. The platform bundles Shoptet Pay for online payments, Shoptet Baliky for shipping and logistics, and Shoptet Kampane for marketing campaigns, alongside AI-assisted features for generating product descriptions and content. A Shoptet Premium tier targets larger clients who need custom development, and new merchants can try the platform free for 30 days. Shoptet is now part of the team.blue group and is described as the market leader for ecommerce platforms in the Czech Republic and Slovakia.

WooCommerce

WooCommerce is a free, open-source plugin that turns a WordPress site into a fully functional online store. It provides core features like product management, payments, shipping, and tax calculations. The platform is highly extensible through a large ecosystem of extensions and themes, allowing businesses of any size to customize the checkout experience, add subscriptions, bookings, and more.

Bagisto

Bagisto is a Laravel‑based eCommerce platform that provides a robust foundation for building scalable online stores. It offers a modular architecture, multilingual support, and a powerful admin panel that lets developers and merchants manage products, orders, and customers with ease. Because it is free and self‑hosted, businesses can fully control their data and customize every aspect of the shopping experience, while leveraging built‑in integrations with popular payment and shipping providers.

Spree

Spree is a flexible and robust open-source e-commerce solution built on Ruby on Rails, designed to empower businesses to build and scale their online stores with ease. Its modular architecture allows developers to deeply customize the shopping experience, integrate essential third-party services, and manage products, orders, and customers efficiently. As a self-hosted platform, Spree gives merchants complete ownership of their data and infrastructure without hidden transaction fees. Backed by an active developer community and extensive documentation, it provides a solid foundation for everything from boutique shops to high-volume enterprise marketplaces.