Open-source alternatives to Spree

Medusa is a headless commerce engine designed as a modular, API-first platform for building custom digital storefronts and business applications. Its architecture is built on a decoupled system where core business logic is encapsulated into independent, swappable modules that communicate through defined interfaces, allowing developers to incrementally adopt or replace components to fit specific operational needs. The platform distinguishes itself through a highly extensible design that supports complex commerce requirements, including multi-vendor marketplace operations, B2B purchasing workfl

CRMEB is a comprehensive e-commerce platform built on ThinkPHP 6, designed as a headless system that delivers standardized APIs to various frontend clients. It provides a unified backend to synchronize product catalogs, orders, and customer data across web browsers, mobile applications, and mini-programs. The platform supports diverse commerce models, including multi-vendor marketplaces where independent merchants manage their own stores, centralized chain store networks, and social commerce frameworks featuring affiliate distribution and community group buying. It also integrates specialized

Saleor is a headless, API-first commerce platform designed to manage complex retail operations through a decoupled architecture. It provides a centralized backend that uses a GraphQL-based interface to handle product catalogs, order lifecycles, and multi-channel sales across diverse global markets. By separating the commerce engine from the storefront, the platform enables developers to build custom, high-performance shopping experiences while maintaining granular control over data interactions. The platform distinguishes itself through an event-driven architecture that allows for deep extens

aimeos-laravel is a comprehensive e-commerce framework for building online stores and B2B marketplaces using the Laravel PHP framework. It functions as a digital storefront engine and multi-tenant e-commerce platform, providing the core logic for managing product catalogs, shopping baskets, and payment processing. The project is distinguished by its ability to support complex business models, including multi-vendor marketplaces and professional B2B commerce suites with tiered pricing and procurement workflows. It also provides a headless commerce API, allowing store data and business logic to

yii2_fecshop is a comprehensive B2C e-commerce platform and CMS built on the Yii2 PHP framework. It functions as a headless commerce API and an international storefront solution, supporting both single-vendor stores and multi-vendor marketplaces where independent merchants can manage their own products and orders. The system is distinguished by a multi-entry point architecture that separates administrative, web, mobile, and API interfaces while sharing a common service layer. It provides high extensibility through configuration-driven service replacement, event-driven functional extensions, a

Reaction is an event-driven, headless commerce platform designed to decouple backend business logic from the frontend presentation layer. It utilizes an API-first architecture with a GraphQL data layer to manage online sales and retail operations. The platform supports multi-tenant resource sharing, allowing multiple independent storefronts to be hosted and managed within a single installation. It features a plugin-based extension system that enables the integration of third-party services and custom business logic through composable workflows. The system covers core retail capabilities incl

This project is a PHP e-commerce platform and enterprise storefront framework designed for building and managing online stores. It functions as a modular PHP application and headless commerce engine, separating e-commerce business logic from frontend presentation to support multiple storefronts and devices. The system is built on a modular architecture that allows developers to add custom business logic and third-party integrations. It utilizes a service-contract-based API to ensure stability across module implementations and employs dependency-injection for object lifecycle management. Core

WooCommerce is a comprehensive eCommerce framework for WordPress that transforms websites into fully functional online stores for physical and digital goods. It serves as a digital storefront manager for product catalogs, inventory, and customer orders across retail and wholesale business models. The system functions as a payment gateway integrator, connecting shops to diverse processors for credit cards, digital wallets, and subscriptions. It also operates as an order fulfillment system for calculating shipping rates, generating labels, and coordinating delivery via third-party couriers, whi

Shopizer is a Java-based e-commerce platform designed for managing digital storefronts. It provides a centralized headless backend that coordinates product catalogs, shopping carts, and order processing workflows. The system is built as a containerized application ready for deployment and scaling within Kubernetes clusters on cloud infrastructure. It utilizes a headless architecture to decouple business logic from the presentation layer via a RESTful interface. The platform covers commerce management through inventory tracking, merchant account coordination, and order fulfillment workflows.

Saleor is a composable e-commerce platform and global order orchestrator designed as an extensible commerce backend. It provides a GraphQL headless commerce API that separates core business logic and data management from the presentation layer, allowing for the management of products, orders, and customers without a predefined storefront. The platform is built for multi-channel store management, enabling the independent control of pricing, currencies, and stock across various sales channels and warehouses. It differentiates itself through a modular architecture that integrates custom business

TastyIgniter is a comprehensive restaurant management system and digital ordering engine. Built as a modular application framework, it provides the tools necessary to operate online food ordering, table reservation systems, and multi-vendor e-commerce platforms. The platform is designed to handle complex restaurant operations, including multi-location networking and multi-vendor marketplace management. It distinguishes itself through specialized restaurant automation, such as coordinating guest limits and time slots for bookings, managing ingredient and allergen catalogs, and implementing mul

Idurar is an integrated system combining Customer Relationship Management and Enterprise Resource Planning. It functions as a headless business API that generates secure REST endpoints and administrative panels from configuration files to connect business logic with external applications. The platform supports multi-tenant SaaS management, isolating data and configurations for multiple companies or branches within a single installation. It is designed for international business accounting, featuring a multi-currency financial engine that processes transactions and manages regional tax rules a

This project is a cross-platform mobile framework designed for building native e-commerce applications. It provides a comprehensive foundation for multi-vendor marketplaces and business-to-business procurement platforms, enabling the development of mobile storefronts that synchronize inventory, orders, and customer data with backend services in real-time. The platform is distinguished by its multi-tenant architecture, which allows a single infrastructure to host multiple independent merchant storefronts while maintaining isolated product catalogs and administrative settings. It supports compl

Akaunting is a modular business enterprise resource planning system and self-hosted accounting software. It provides a comprehensive platform for small business financial management, centering on a double-entry bookkeeping system with a general ledger and chart of accounts. The platform is designed for extensibility through a module-based architecture and a dedicated marketplace for procuring third-party applications. It supports multi-tenant data isolation and utilizes role-based access control to manage granular user permissions. Its capability surface covers a wide range of business opera

Solidus is an open-source ecommerce framework and extensible engine designed for managing product catalogs, shopping carts, and order processing. It functions as a modular store management system and a REST API commerce backend, allowing for the integration of store data with custom frontends and external services for headless commerce. The system is distinguished by a plugin-based extension architecture and an attribute-based model extension system, which enable the addition of specialized business functionality and custom data fields. It utilizes a state-machine for order processing to move

Aimeos is a professional PHP e-commerce framework designed for building online shops and marketplaces. It functions as a modular e-commerce engine that provides a dedicated administration dashboard for managing product data and orders, alongside a headless commerce API using REST and GraphQL interfaces for custom storefronts. The platform is distinguished by its multi-vendor marketplace system, which coordinates multiple sellers, channels, and warehouses. It employs a modular architecture and an interface-based extension pattern, allowing the injection of custom business logic through distrib

This project is a Vue 3 e-commerce administration dashboard designed as a centralized backend manager for online stores. It provides a web-based interface for overseeing store settings, product catalogs, and general business workflows using the Element Plus component library. The system integrates a business intelligence dashboard for visualizing financial metrics and operational performance through interactive charts and reports. It features a content management system for editing rich text and controlling promotional banners, alongside a role-based access control interface to restrict sensi

Kill Bill is a subscription billing platform and usage-based billing engine designed to manage recurring invoicing and automated payment collection. It functions as a multi-tenant billing infrastructure, providing isolated environments for different organizational entities through a dedicated API. The system is distinguished by a plugin-based extension framework that allows for the integration of third-party payment gateways and custom business logic. It includes a payment gateway orchestrator to handle transactions and refunds, as well as a revenue recognition system to allocate contract rev

eShop is a .NET microservices reference application that provides a comprehensive blueprint for a distributed retail system. It implements an e-commerce architecture using decoupled services to manage core operations such as product catalogs, shopping baskets, and order processing. The project demonstrates a cloud-native retail infrastructure that incorporates an asynchronous event bus system to synchronize state across distributed services. It includes a reference implementation for integrating generative AI features by connecting the store to large language models via cloud providers. The

Django Oscar is a domain-driven e-commerce framework built on Django for constructing custom online stores. It provides a purpose-built admin dashboard for managing e-commerce operations including products, orders, customers, and promotions, replacing the default Django admin interface. The framework includes a flexible promotions engine for creating multi-buy, bundle, and percentage discounts with custom conditions and benefits, along with a configurable order status and transition system that supports split payments, multi-batch shipping, and deferred payment capture. The framework is desig

nopCommerce is an open-source ASP.NET Core eCommerce platform and shopping cart designed to manage digital product catalogs, orders, and customer transactions. It provides a complete commerce environment consisting of a customer storefront and a backend administration portal. The system functions as a multi-tenant storefront engine capable of distributing workloads across multiple servers and cloud-native hosting environments. Its architecture is based on a plugin-based framework, allowing for the addition of custom plugins and themes to implement specialized business capabilities and visual

mall4cloud is a multi-tenant B2B2C e-commerce platform built on a Spring Cloud microservice architecture. It orchestrates independently deployable services with service discovery, configuration, caching, messaging, distributed transactions, object storage, and full-text search to support a marketplace with separate interfaces for platform administrators, merchants, and customers. The platform distinguishes itself through its comprehensive microservice infrastructure, using RocketMQ for event-driven messaging, Seata for distributed transaction coordination across services, and Redis for cachin

Sylius is a PHP-based digital commerce framework built on Symfony for managing product catalogs, orders, and customer transactions. It functions as an API-first headless commerce engine that delivers store data via REST to decoupled frontend interfaces and external systems. The platform includes a specialized B2B eCommerce framework with tools for managing wholesale operations and corporate pricing. It also acts as a multi-store commerce manager, allowing the coordination of product inventory and sales across multiple digital storefronts from a single installation. The system covers broader

This project is a comprehensive e-commerce platform implementation available as a Spring Boot application, a Spring Cloud microservices architecture, and a version rewritten in the Go programming language. It provides a full-stack retail system featuring a Vue 3 storefront interface and a centralized backend administration portal. The platform is specifically designed to handle high-concurrency flash sales and coupon distribution systems to manage sudden spikes in purchase requests. It supports multiple deployment strategies, ranging from monolithic server-side rendering to a decoupled fronte

mall4j is a Java-based e-commerce platform and B2B2C commerce suite designed to manage retail operations across web, mobile, and H5 storefronts. It serves as an omnichannel backend and multi-tenant retail manager, providing the infrastructure to handle product catalogs, shopping carts, and order processing. The system is built on a Spring Boot microservice framework, featuring an omnichannel architecture that exposes a unified API gateway to power diverse client interfaces. It distinguishes itself through a B2B2C workflow that coordinates sales between administrators, merchants, and end consu

vue2-elm is a comprehensive Vue.js e-commerce reference application and single-page application boilerplate. It provides a foundational architecture for building complex online food delivery platforms, utilizing Vue 2 and Vuex for centralized state management. The project functions as a complete frontend template specifically tailored for food delivery services. It includes pre-configured user interface pages for merchant browsing, delivery address management, and the processing of food orders. The application covers a wide range of e-commerce capabilities, including shopping cart management

This project is a headless commerce frontend and Next.js ecommerce storefront template. It provides a decoupled user interface that fetches product and order data from external commerce providers via APIs. The storefront includes a React component library of pre-built UI elements for shopping carts, product grids, and search interfaces. It features integration with visual content management tools, allowing site elements and pages to be modified without manual code changes. The platform covers product discovery through advanced search, typeahead suggestions, and related product recommendation