head to head · open source
Odoo vs OpenConstructionERP
Odoo has 55,501 GitHub stars, 34,192 forks, 10,282 open issues and last shipped yesterday. OpenConstructionERP has 1,125 stars, 367 forks, 2 open issues and last shipped yesterday. Odoo leads on adoption by 4,833% (55,501 vs 1,125 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 33%. OpenConstructionERP 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 | ★ 56K | ★ 1.1K |
| License | Custom / other | AGPL-3.0 |
| Written in | Python | TypeScript |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 34K | ⑂ 367 |
| 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 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 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 OpenConstructionERP
OpenConstructionERP A leading open source workspace for construction project management Professional BOQ, CAD and BIM takeoff, 4D scheduling, 5D cost model, and tendering all in one self hosted platform. Like WordPress for construction companies pick modules from the marketplace, drop in your own, or replace ours with custom built ones. Same plug and play model, but for BOQ, scheduling, cost control, BIM, and tendering. A platform companies build any construction app on. Use OpenConstructionERP as the base to assemble the exact software a project needs and to build your own modules on top, from estimating and…
read the full OpenConstructionERP overview →
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Frequently asked questions
Is Odoo or OpenConstructionERP more popular?
Odoo has 55,501 GitHub stars and OpenConstructionERP has 1,125. 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 (55,501 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.