Open-source alternatives to Opencart

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

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

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

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

Xboard is a containerized service orchestrator and management platform. It provides a Docker-based administrative dashboard for monitoring and controlling backend system services and configurations through a unified interface for operators and users. The platform utilizes a modular architecture and a dedicated plugin system, allowing for the registration of custom logic and the extension of core administrative functionality. It includes utilities for legacy data migration to transfer records and configurations from previous versions or alternative implementations into the current system sche

EspoCRM is an open-source customer relationship management platform and SQL-based business application. It serves as a centralized web interface for tracking leads, opportunities, and contacts, providing a sales pipeline manager and a customizable business logic engine. The platform is distinguished by its ability to function as a custom business application builder, allowing for the creation of tailored entities and automated workflows. It integrates marketing automation tools for campaign coordination and a structured customer support ticketing system for case management. The system covers

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

This project is a modular e-commerce platform built on Ruby on Rails, designed to serve as a comprehensive engine for managing online retail operations. It provides the foundational infrastructure to handle complex product catalogs, customer order lifecycles, and global payment processing within a unified system. The platform distinguishes itself through a headless, API-first architecture that decouples backend commerce logic from custom frontend storefronts. It supports multi-tenant environments, allowing for the management of multiple independent retail storefronts or marketplaces from a si

Thelia is an open source tool for creating e-business websites and managing online content. Repo containing the new major version (v2)

Attendize is a Laravel-based event management platform designed for selling tickets and organizing events. It functions as an online ticket selling system and a white-label landing page builder, complemented by a web-based QR code entry validator for verifying attendee access at event doors. The platform includes an event affiliate tracker to monitor sales volume and traffic generated by referral partners. It also provides tools for building mobile-friendly event pages with embeddable ticket purchase widgets and customizable ticket designs. The system covers a broad operational surface, incl

This project is a web-based point of sale and retail management system built with PHP and MySQL. It serves as a comprehensive tool for processing sales transactions, tracking inventory levels, and managing business expenses. The software integrates hardware for retail operations, including barcode scanner support and receipt printing. It features a dedicated inventory management system capable of generating EAN barcodes, organizing items into kits, and importing product data via CSV files. Beyond basic transactions, the platform covers customer loyalty tracking, the issuance of gift cards, a

Free Laravel e-commerce for business: shopping cart, cms content, and more...

CoreShop - Pimcore enhanced eCommerce

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

Drag and Drop Website Builder and CMS with E-commerce

Vendure is a Node.js e-commerce engine and headless commerce framework built with NestJS and TypeScript. It serves as a multi-channel commerce platform that manages product catalogs, orders, and customers via a strongly typed GraphQL API. The platform is distinguished by its highly extensible architecture, featuring a customizable administrative dashboard where developers can inject custom React components and entity views. It supports multi-channel commerce, allowing the isolation of products, currencies, and regional catalogs from a single unified backend. The engine covers a broad range o

xmall is a distributed e-commerce platform based on a service-oriented architecture. It separates business logic into independent services that communicate over a network to ensure scalability and fault tolerance, utilizing a decoupled storefront interface for customer transactions. The platform employs a distributed architecture using Dubbo for service orchestration and Zookeeper for cluster coordination and service discovery. It integrates a specialized set of components including an asynchronous message broker for background tasks, an indexed search system for product catalogs, and a centr

Lunar is a modular PHP e-commerce framework and headless commerce engine designed to manage the backend logic and data models of an online store. It provides a decoupled infrastructure that separates business logic from the presentation layer, allowing for the orchestration of digital storefronts via an API. The system is distinguished by its headless-first approach and a dedicated toolkit for building customized administration interfaces using pre-made components and widgets. It supports complex global operations through a multilingual commerce system that handles regional storefront configu

aimeos-core is a PHP e-commerce framework designed for building scalable online stores. It functions as a headless e-commerce engine for managing products, orders, and catalogs, and provides a modular storefront framework and an extensible administration interface. The system utilizes a modular extension architecture that allows for the injection of custom business logic and the addition of new features through plugins without altering the core source code. It employs a decoupled rendering model that separates the administration interface from the customer-facing storefront. The framework pr

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 is an open-source e-commerce platform designed specifically as a WeChat Mini Program. It consists of a mobile shopping application and a server-side architecture utilizing Node.js and a MySQL relational database to manage product catalogs, user accounts, and order data. The project provides a full-stack commerce environment tailored for the WeChat ecosystem, integrating a frontend runtime with a backend capable of handling product inventories and purchase histories. The system covers the complete shopping experience, including product search, catalog browsing, and detailed item views. I

Celeste is a bug tracking and issue reporting platform designed for open source project management. It functions as a relational database application and a RESTful API server that provides a centralized location for users to submit and track software defects and their resolution status. The system serves as a source code repository, enabling the distribution of public class files and code examples to facilitate developer learning. It includes a role-based access control system to restrict administrative tools and sensitive actions to specific user groups based on assigned permissions. The pl

Yii is a full-stack PHP web framework and component-based system designed for building dynamic websites and RESTful services. It operates as an MVC application framework that separates business logic from the user interface and includes a built-in object-relational mapper for interacting with databases. The project provides a comprehensive command line toolset for project bootstrapping, automated code generation, and the execution of background tasks. It utilizes a component-based architecture and a service locator to manage dependency injection and object lifecycles. The framework covers a

Mezzanine is a web-based content management system built on the Django framework. It provides a suite of tools for managing site content, pages, and hierarchical structures. The platform features a visual website editor with drag-and-drop interfaces for modifying page layouts and content without writing raw HTML. It includes a multilingual framework for translating website text into multiple languages for global audiences. The system covers a broad range of administrative and operational capabilities, including e-commerce product catalogs and transaction processing, identity management for u

This project is a community-curated directory of open-source software designed for deployment in private server environments and home labs. It serves as a comprehensive resource for discovering independent, self-hosted alternatives to mainstream cloud services, enabling users to maintain full data ownership and control over their digital infrastructure. The directory is structured through a hierarchical taxonomy that organizes a vast collection of applications into logical categories, ranging from media management and data analytics to private communication and team productivity tools. It dis

Hyperledger Fabric is a permissioned blockchain framework and enterprise blockchain platform designed for maintaining shared, immutable records of transactions across a network of authorized participants. It provides the infrastructure to build and manage private distributed ledgers that prioritize data confidentiality and scalability. The platform is distinguished by a modular architecture and a pluggable consensus engine. This design allows internal system implementations to be swapped with custom modules to adapt the ledger's behavior and consensus mechanisms to specific technical or indus

This library provides a foundational framework for internationalizing Ruby applications by decoupling text from source code. It manages the complete translation lifecycle, including dynamic content interpolation, pluralization, and locale-specific formatting. The system ensures application stability through thread-safe state management and configurable error handling for missing translation keys. The project distinguishes itself through a highly modular architecture that supports pluggable storage backends, allowing translation data to be retrieved from databases, key-value stores, or standar