head to head · open source
Odoo vs OpenConstructionERP
Odoo has 54,424 GitHub stars, 33,741 forks, 10,282 open issues and last shipped yesterday. OpenConstructionERP has 823 stars, 259 forks, 2 open issues and last shipped yesterday. Odoo leads on adoption by 6,513% (54,424 vs 823 stars). Odoo is written in Python under a custom or non-standard licence; OpenConstructionERP is written in TypeScript under AGPL-3.0. Odoo has attracted 62% as many forks as stars, OpenConstructionERP 31%. 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 | OpenConstructionERP | |
|---|---|---|
| GitHub stars | ★ 54K | ★ 823 |
| License | Custom / other | AGPL-3.0 |
| Written in | Python | TypeScript |
| Last push | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 34K | ⑂ 259 |
| 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 OpenConstructionERP if
- You want the OpenConstructionERP feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches TypeScript
- You evaluated both and OpenConstructionERP 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 OpenConstructionERP
OpenConstructionERP is an open source, self hosted construction ERP under AGPL 3.0, aimed at construction companies and estimating teams that want BOQ, cost estimation, CAD/BIM takeoff, scheduling and tendering in one platform they run on their own infrastructure.
read the full OpenConstructionERP overview →
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Frequently asked questions
Is Odoo or OpenConstructionERP more popular?
Odoo has 54,424 GitHub stars and OpenConstructionERP has 823. Odoo has the larger community by that measure.
Are Odoo and OpenConstructionERP free?
Both are open source. Odoo has no licence declared in this registry, and OpenConstructionERP is licensed under AGPL-3.0. Both are free to self-host.
What is the difference between Odoo and OpenConstructionERP?
Odoo is written in Python and OpenConstructionERP 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 OpenConstructionERP?
Choose Odoo if you want the larger community (54,424 stars) or its Custom / other licence terms. Choose OpenConstructionERP if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.