head to head · open source
Odoo vs Open Mercato
Odoo has 54,424 GitHub stars, 33,741 forks, 10,282 open issues and last shipped yesterday. Open Mercato has 1,748 stars, 413 forks, 1,119 open issues and last shipped yesterday. Odoo leads on adoption by 3,014% (54,424 vs 1,748 stars). Odoo is written in Python under a custom or non-standard licence; Open Mercato is written in TypeScript under MIT. Odoo has attracted 62% as many forks as stars, Open Mercato 24%. Odoo was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (erp), 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
| Odoo | Open Mercato | |
|---|---|---|
| GitHub stars | ★ 54K | ★ 1.7K |
| License | Custom / other | MIT |
| Written in | Python | TypeScript |
| Last push | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 34K | ⑂ 413 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Odoo if
- You weight community size — 54K stars and counting
- You want the Custom / other license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick Open Mercato if
- You want the Open Mercato feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and Open Mercato fits your workflow better
About Odoo
Odoo is an open source suite of business applications built as modular web apps, forming a full featured ERP when combined. It lives in the Python based ecosystem and provides pre built modules for core business functions including CRM, accounting, inventory, e commerce, and HR, all sharing a unified data model and interface.
About Open Mercato
Open Mercato is open source TypeScript foundation for CRM, ERP, commerce apps. It lives in Next.js ecosystem under MIT license. Project is AI engineering framework, not finished business suite. It supplies architecture, conventions, specs, domain modules, agent facing skills. Coding assistants can place and extend code consistently. It targets teams using Cursor, Claude Code, Codex.
read the full Open Mercato overview →
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Frequently asked questions
Is Odoo or Open Mercato more popular?
Odoo has 54,424 GitHub stars and Open Mercato has 1,748. Odoo has the larger community by that measure.
Are Odoo and Open Mercato free?
Both are open source. Odoo has no licence declared in this registry, and Open Mercato is licensed under MIT. Both are free to self-host.
What is the difference between Odoo and Open Mercato?
Odoo is written in Python and Open Mercato 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, Odoo or Open Mercato?
Choose Odoo if you want the larger community (54,424 stars) or its Custom / other licence terms. Choose Open Mercato if its feature set, stack or MIT licence fits better. Both are self-hostable.