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Best Open Policy Agent Alternatives in 2026

Updated

20 tools from infrastructure policy as code tools ranked against Open Policy Agent on the same published basis.

  1. 1
    Terraform Free plan apiLinuxMacself-hostedWeb $0.10/mo7.9
    Open Policy Agent vs Terraform
  2. 2
    Google Cloud Terraform Policy Validation Free plan LinuxMacWin Free7.5
    Open Policy Agent vs Google Cloud Terraform Policy Validation
  3. 4
    Conftest Free plan LinuxMacWin Free7.3
    Open Policy Agent vs Conftest
  4. 5
    Chef Infra Free trial apiLinuxMacself-hostedWin $4.92/mo7.2
    Open Policy Agent vs Chef Infra
  5. 6
    AWS CloudFormation Free plan apiLinuxMacWebWin Free7.1
    Open Policy Agent vs AWS CloudFormation
  6. 7
    Cloud Custodian Free plan LinuxMacself-hostedWin Free7.1
    Open Policy Agent vs Cloud Custodian
  7. 8
    Kyverno Free plan apiLinuxMacself-hostedWin Free7.1
    Open Policy Agent vs Kyverno
  8. 9
    cfn-lint Free plan LinuxMacself-hostedWin Free7.0
    Open Policy Agent vs cfn-lint
  9. 10
    HashiCorp Nomad apiLinuxMacself-hostedWeb 7.0
    Open Policy Agent vs HashiCorp Nomad
  10. 11
    KICS Free plan LinuxMacself-hostedWin Free7.0
    Open Policy Agent vs KICS
  11. 12
    KubeLinter Free plan LinuxMacself-hosted Free7.0
    Open Policy Agent vs KubeLinter
  12. 13
    Kubewarden LinuxMacself-hostedWin 7.0
    Open Policy Agent vs Kubewarden
  13. 14
    Checkov Free plan LinuxMac Free6.9
    Open Policy Agent vs Checkov
  14. 15
    Google Config Sync Free plan apiself-hostedWeb Free6.9
    Open Policy Agent vs Google Config Sync
  15. 16
    Google Cloud Organization Policy Free plan apiWeb Free6.8
    Open Policy Agent vs Google Cloud Organization Policy
  16. 17
    terraform-compliance Free plan Linuxself-hosted Free6.8
    Open Policy Agent vs terraform-compliance
  17. 18
    Firefly Free trial apiself-hostedWeb $2,499/mo6.6
    Open Policy Agent vs Firefly
  18. 19
    Fairwinds Polaris LinuxMacWin 5.9
    Open Policy Agent vs Fairwinds Polaris
  19. 20
    Nirmata Enterprise for Kyverno Linux 5.8
    Open Policy Agent vs Nirmata Enterprise for Kyverno
  20. 21
    Tirith Free plan Linux Free5.8
    Open Policy Agent vs Tirith

Open Policy Agent alternatives compared

#ToolScoreFree planFromRuns on
1Terraform7.9Free plan$0.10/moAPI, Linux, Mac, self-hosted, Web, Windows
2Google Cloud Terraform Policy Validation7.5Free planFreeLinux, Mac, Windows
4Conftest7.3Free planFreeLinux, Mac, Windows
5Chef Infra7.2No$4.92/moAPI, Linux, Mac, self-hosted, Windows
6AWS CloudFormation7.1Free planFreeAPI, Linux, Mac, Web, Windows
7Cloud Custodian7.1Free planFreeLinux, Mac, self-hosted, Windows
8Kyverno7.1Free planFreeAPI, Linux, Mac, self-hosted, Windows
9cfn-lint7.0Free planFreeLinux, Mac, self-hosted, Windows
10HashiCorp Nomad7.0No—API, Linux, Mac, self-hosted, Web, Windows
11KICS7.0Free planFreeLinux, Mac, self-hosted, Windows
12KubeLinter7.0Free planFreeLinux, Mac, self-hosted
13Kubewarden7.0No—Linux, Mac, self-hosted, Windows
14Checkov6.9Free planFreeLinux, Mac
15Google Config Sync6.9Free planFreeAPI, self-hosted, Web
16Google Cloud Organization Policy6.8Free planFreeAPI, Web
17terraform-compliance6.8Free planFreeLinux, self-hosted
18Firefly6.6No$2,499/moAPI, self-hosted, Web
19Fairwinds Polaris5.9No—Linux, Mac, Windows
20Nirmata Enterprise for Kyverno5.8No—Linux
21Tirith5.8Free planFreeLinux
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Questions about Open Policy Agent alternatives

What is the best alternative to Open Policy Agent?

Terraform, number 1 in infrastructure policy as code tools with a score of 7.9 out of 10. The others here: Google Cloud Terraform Policy Validation, Conftest, Chef Infra and 16 more.

What is the best free alternative to Open Policy Agent?

Terraform is the best-ranked alternative with a free plan. 14 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, the fullest spec sheet first: how deeply the product is documented, the platforms it runs on, a free tier or trial to test it, and its standing.