Best Open Policy Agent Alternatives in 2026
Updated
20 platforms from infrastructure policy as code tools ranked against Open Policy Agent on the same published basis.
- 2Open Policy Agent vs Terraform
- 3Open Policy Agent vs Google Config Sync
- 4Open Policy Agent vs AWS CloudFormation
- 5Open Policy Agent vs Kyverno
- 6Open Policy Agent vs Chef Infra
- 7Open Policy Agent vs HashiCorp Nomad
- 8Open Policy Agent vs Firefly
- 9Open Policy Agent vs Google Cloud Terraform Policy Validation
- 10Open Policy Agent vs Cloud Custodian
- 11Open Policy Agent vs Conftest
- 12Open Policy Agent vs KICS
- 13Open Policy Agent vs KubeLinter
- 14Open Policy Agent vs terraform-compliance
- 15Open Policy Agent vs cfn-lint
- 16Open Policy Agent vs Checkov
- 17Open Policy Agent vs Kubewarden
- 18Open Policy Agent vs Tirith
- 19Open Policy Agent vs Google Cloud Organization Policy
- 20Open Policy Agent vs Terraform Test Framework
- 21Open Policy Agent vs Fairwinds Polaris
Open Policy Agent alternatives compared
| # | Platform | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 2 | Terraform | 7.4 | Free plan | $0.10/mo | API, Linux, Mac, self-hosted, Web, Windows |
| 3 | Google Config Sync | 7.3 | Free plan | Free | API, self-hosted, Web |
| 4 | AWS CloudFormation | 7.2 | Free plan | Free | API, Linux, Mac, Web, Windows |
| 5 | Kyverno | 7.2 | Free plan | Free | API, Linux, Mac, self-hosted, Windows |
| 6 | Chef Infra | 6.9 | No | $4.92/mo | API, Linux, Mac, self-hosted, Windows |
| 7 | HashiCorp Nomad | 6.9 | No | — | API, Linux, Mac, self-hosted, Web, Windows |
| 8 | Firefly | 6.7 | No | $2,499/mo | API, self-hosted, Web |
| 9 | Google Cloud Terraform Policy Validation | 6.0 | Free plan | Free | Linux, Mac, Windows |
| 10 | Cloud Custodian | 5.9 | Free plan | Free | Linux, Mac, self-hosted, Windows |
| 11 | Conftest | 5.9 | Free plan | Free | Linux, Mac, Windows |
| 12 | KICS | 5.9 | Free plan | Free | Linux, Mac, self-hosted, Windows |
| 13 | KubeLinter | 5.9 | Free plan | Free | Linux, Mac, self-hosted |
| 14 | terraform-compliance | 5.9 | Free plan | Free | Linux, self-hosted |
| 15 | cfn-lint | 5.8 | Free plan | Free | Linux, Mac, self-hosted, Windows |
| 16 | Checkov | 5.8 | Free plan | Free | Linux, Mac |
| 17 | Kubewarden | 5.6 | No | — | Linux, Mac, self-hosted, Windows |
| 18 | Tirith | 5.2 | No | — | — |
| 19 | Google Cloud Organization Policy | 5.1 | No | — | Web |
| 20 | Terraform Test Framework | 5.1 | No | — | — |
| 21 | Fairwinds Polaris | 5.0 | No | — | Linux, Mac, Windows |
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Questions about Open Policy Agent alternatives
What is the best alternative to Open Policy Agent?
Terraform, number 2 in infrastructure policy as code tools with a score of 7.4 out of 10. The others here: Google Config Sync, AWS CloudFormation, Kyverno and 16 more.
What is the best free alternative to Open Policy Agent?
Terraform is the best-ranked alternative with a free plan. 12 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked on what each maker publishes, open and connectable first: a public API, open-source code, the depth of its documentation and a free tier to try it on. Model lists are sorted by the figure in their title, exactly as each provider publishes it.