mercur
What is Mercur?
Mercur is the first truly limitless open source marketplace platform that combines the simplicity of SaaS with the freedom of open source. Built on MedusaJS, it empowers businesses to create custom marketplaces without choosing between ownership and ease of use.
Mercur is a platform to start, customize, manage, and scale your marketplace for every business model with a modern technology stack.
Announcing Mercur 1.0
After months of development, testing, and close collaboration with early adopters, we’re excited to announce the official release of Mercur 1.0 - the first truly limitless marketplace platform. Version 1.0 is fully open source and ready to be self-hosted, giving you full control over infrastructure, customizations, and data.
With this version, Mercur is production-ready for B2C marketplaces. The first complete version includes a vendor system, admin panel, and a fully built B2C Storefront. Read more in official release announcement
Why Choose Mercur?
- Full Ownership: Unlike SaaS platforms, you own your marketplace with no transaction fees or vendor lock-in
- Modern Foundation: Built on MedusaJS, offering a modern tech stack that developers love
- Beautiful by Default: Create stunning storefronts without sacrificing customization
Power Any Marketplace Model
- Custom B2B Marketplace: Build enterprise-grade platforms with specialized workflows
- Custom B2C Marketplace: Create engaging consumer marketplaces with modern UX
- eCommerce Extension: Transform your store into a marketplace (coming soon)
Ready-to-go marketplace features
Storefronts for Marketplace
Customizable
storefronts designed for B2B and B2C with all elements
including browsing and buying products across multiple
vendors at once.
Discover B2C Storefront Repository - 🛍️ Check demo
Admin Panel
Control over whole marketplace:
setting product categories, vendors, commissions and rules
Vendor Panel
A powerful dashboard giving sellers
complete control over their products, orders, and store
management in one intuitive interface.
Discover Vendor Panel - Contact us to get demo
Integrations
Built-in integration with Stripe
for payments and Resend for communication needs. More
integrations coming soon.
Quickstart
Step 1: Create a new Mercur project and start the development server:
npx @mercurjs/cli create my-marketplace
Step 2: Start the development server:
cd my-marketplace
npm run dev
Step 3: Access your marketplace:
- Backend API:
http://localhost:9000 - Admin Panel:
http://localhost:7000 - Vendor Panel:
http://localhost:7001