Best open source E-commerce projects of 2026

Medusa

TYPESCRIPT

The world's most flexible commerce platform

Bagisto

PHP

A flexible eCommerce platform built on Laravel that enables businesses to create marketplaces, mobile apps, and headless commerce solutions

Saleor

PYTHON

Saleor Core: the high performance, composable, headless commerce API

spree-commerce

RUBY

Headless eCommerce platform with REST API, TypeScript SDK, and Next.js storefront. Handle B2B, multi-vendor marketplaces, and cross-border commerce. Self-hosted, open source, zero fees.

Midday

TYPESCRIPT

All-in-one tool for freelancers and small businesses to manage finances, track time, store files, and send invoices efficiently.

Alokai

Frontend Platform for eCommerce

WooCommerce

PHP

An open-source eCommerce solution built on WordPress

Polar

PYTHON

Comprehensive payment solution with built-in tax handling, automated benefits, and seamless integrations for digital product and SaaS businesses.

invoice-ninja

PHP

Free invoicing software for freelancers and small businesses. Create professional invoices, track expenses, accept online payments, and manage projects without hidden fees.

Lago

GO

The AI Native Billing Platform

PrestaShop

PHP

PrestaShop is the universal open-source software platform to build your e-commerce solution

Vendure

TYPESCRIPT

A headless GraphQL ecommerce framework built on Node.js with Nest.js and TypeScript

Solidus

RUBY

Open-source eCommerce platform offering customization, scalability and enterprise-grade features for brands of all sizes

frappe-books

TYPESCRIPT

A user-friendly desktop accounting software that helps businesses manage invoices, track expenses, and handle bookkeeping with a modern interface.

Paymenter

PHP

Automate subscriptions and manage payments with a flexible, open-source billing system designed specifically for hosting providers.

Formance Ledger

GO

Open Source Infrastructure for the Financial Internet

BillaBear

PHP

BillaBear offers powerful tax management, automated workflows, and comprehensive subscription control for businesses using Stripe

UniBee

Replace expensive billing solutions with open-source software. Automate subscriptions, accept multiple payments including crypto, and gain real-time revenue insights.