head to head · open source
Odoo vs guac
Odoo has 55,501 GitHub stars, 34,192 forks, 10,282 open issues and last shipped yesterday. guac has 1,571 stars, 227 forks, 89 open issues and last shipped yesterday. Odoo leads on adoption by 3,433% (55,501 vs 1,571 stars). Odoo is written in Python under a custom or non-standard licence; guac is written in Go under Apache-2.0. Odoo has attracted 62% as many forks as stars, guac 14%. Odoo was the more recently maintained of the two, and both are self-hostable with no licence fee.
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 | guac | |
|---|---|---|
| GitHub stars | ★ 56K | ★ 1.6K |
| License | Custom / other | Apache-2.0 |
| Written in | Python | Go |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 34K | ⑂ 227 |
| 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 guac if
- You want the guac feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Go
- You evaluated both and guac 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 guac
GUAC: Graph for Understanding Artifact Composition Note: GUAC is under active development if you are interested in contributing, please look at contributor guide. GUAC is an OpenSSF incubating project under the Supply Chain Integrity WG. Graph for Understanding Artifact Composition (GUAC) aggregates software security metadata into a high fidelity graph database—normalizing entity identities and mapping standard relationships between them. Querying this graph can drive higher level organizational outcomes such as audit, policy, risk management, and even developer assistance. Conceptually, GUAC occupies the…
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Frequently asked questions
Is Odoo or guac more popular?
Odoo has 55,501 GitHub stars and guac has 1,571. Odoo has the larger community by that measure.
Are Odoo and guac free?
Both are open source. Odoo has no licence declared in this registry, and guac is licensed under Apache-2.0. Both are free to self-host.
What is the difference between Odoo and guac?
Odoo is written in Python and guac in Go. 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 guac?
Choose Odoo if you want the larger community (55,501 stars) or its Custom / other licence terms. Choose guac if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.