head to head · open source
Odoo vs marley
Odoo has 55,501 GitHub stars, 34,192 forks, 10,282 open issues and last shipped yesterday. marley has 555 stars, 476 forks, 74 open issues and last shipped 2 days ago. Odoo leads on adoption by 9,900% (55,501 vs 555 stars). Odoo is written in Python under a custom or non-standard licence; marley is written in Python under GPL-3.0. Odoo has attracted 62% as many forks as stars, marley 86%. 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 | marley | |
|---|---|---|
| GitHub stars | ★ 56K | ★ 555 |
| License | Custom / other | GPL-3.0 |
| Written in | Python | Python |
| Last push | 2026-11-02 | 2026-11-01 |
| Forks | ⑂ 34K | ⑂ 476 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Odoo if
- You weight community size — 56K 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 marley if
- You want the marley feature set and don't need the biggest community
- You prefer the GPL-3.0 license terms
- Your stack matches Python
- You evaluated both and marley fits your workflow better
About Odoo
Odoo Odoo is a suite of web based open source business apps. The main Odoo Apps include an Open Source CRM, Website Builder, eCommerce, Warehouse Management, Project Management, Billing & Accounting, Point of Sale, Human Resources, Marketing, Manufacturing, ... Odoo Apps can be used as stand alone applications, but they also integrate seamlessly so you get a full featured Open Source ERP when you install several Apps. Getting started with Odoo For a standard installation please follow the Setup instructions from the documentation. To learn the software, we recommend the Odoo eLearning, or Scale up, the business…
About marley
Marley Health Open source & easy to use hospital information system(HIS) for all healthcare organisations. Marley Health Introduction Marley Health enables the health domain in ERPNext and has various features that will help healthcare practitioners, clinics and hospitals to leverage the power of Frappe and ERPNext. It is built on Frappe, a full stack, meta data driven, web framework, and integrates seamlessly with ERPNext, the most agile ERP software. Marley Health helps to manage healthcare workflows efficiently and most of the design is based on HL7 FHIR (Fast Health Interoperability Resources). Key Features…
read the full marley overview →
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Frequently asked questions
Is Odoo or marley more popular?
Odoo has 55,501 GitHub stars and marley has 555. Odoo has the larger community by that measure.
Are Odoo and marley free?
Both are open source. Odoo has no licence declared in this registry, and marley is licensed under GPL-3.0. Both are free to self-host.
What is the difference between Odoo and marley?
Odoo is written in Python and marley in Python. 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 marley?
Choose Odoo if you want the larger community (55,501 stars) or its Custom / other licence terms. Choose marley if its feature set, stack or GPL-3.0 licence fits better. Both are self-hostable.