head to head · open source
Medusa vs mercur
Medusa has 37,059 GitHub stars, 5,487 forks, 194 open issues and last shipped yesterday. mercur has 1,878 stars, 477 forks, 4 open issues and last shipped yesterday. Medusa leads on adoption by 1,873% (37,059 vs 1,878 stars). Medusa is written in TypeScript under a custom or non-standard licence; mercur is written in TypeScript under MIT. Medusa has attracted 15% as many forks as stars, mercur 25%. Medusa was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 3 topic tags (ecommerce, medusa, typescript), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| Medusa | mercur | |
|---|---|---|
| GitHub stars | ★ 37K | ★ 1.9K |
| License | Custom / other | MIT |
| Written in | TypeScript | TypeScript |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 5.5K | ⑂ 477 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Medusa if
- You weight community size — 37K stars and counting
- You want the Custom / other license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick mercur if
- You want the mercur feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and mercur fits your workflow better
About Medusa
Medusa Documentation Website Building blocks for digital commerce Getting Started The fastest way to get started is with Medusa Cloud. It provides a managed environment optimized for Medusa applications, with automated deployments, scaling, and maintenance. Get started on Medusa Cloud To set up a Medusa application locally, visit the Documentation. About Medusa Medusa is a commerce platform with a built in framework for customization that allows you to build custom commerce applications without reinventing core commerce logic. The framework and modules can be used to support advanced B2B or DTC commerce stores…
read the full Medusa overview →
About mercur
Mercur The open source marketplace platform. A Mirakl alternative. Website · Documentation · Live Demo · Discord What is Mercur Mercur is an open source, headless platform for building multi vendor marketplaces. Add vendor onboarding, multi vendor catalogs, offers, commissions, and automated payouts on top of a commerce core you can change at its foundation. Run B2C, B2B, and hybrid marketplaces without choosing between a profit draining SaaS platform and a build from scratch. Own your marketplace, no fees : Self host on your own infrastructure with full source access. No percentage of GMV, no per transaction…
read the full mercur overview →
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Frequently asked questions
Is Medusa or mercur more popular?
Medusa has 37,059 GitHub stars and mercur has 1,878. Medusa has the larger community by that measure.
Are Medusa and mercur free?
Both are open source. Medusa has no licence declared in this registry, and mercur is licensed under MIT. Both are free to self-host.
What is the difference between Medusa and mercur?
Medusa is written in TypeScript and mercur in TypeScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Medusa or mercur?
Choose Medusa if you want the larger community (37,059 stars) or its Custom / other licence terms. Choose mercur if its feature set, stack or MIT licence fits better. Both are self-hostable.