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Best Open Policy Agent Gatekeeper Alternatives in 2026

Updated

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

  1. 1
    Conftest Free plan LinuxMacWin Free6.4
    Open Policy Agent Gatekeeper vs Conftest
  2. 2
    Google Cloud Terraform Policy Validation Free plan LinuxMacWin Free6.4
    Open Policy Agent Gatekeeper vs Google Cloud Terraform Policy Validation
  3. 3
    Open Policy Agent Free plan apiLinuxMacself-hostedWeb Free6.4
    Open Policy Agent Gatekeeper vs Open Policy Agent
  4. 4
    Terraform Free plan apiLinuxMacself-hostedWeb $0.10/mo6.4
    Open Policy Agent Gatekeeper vs Terraform
  5. 5
    Cloud Custodian Free plan LinuxMacself-hostedWin Free6.3
    Open Policy Agent Gatekeeper vs Cloud Custodian
  6. 6
    Google Config Sync Free plan apiself-hostedWeb Free6.3
    Open Policy Agent Gatekeeper vs Google Config Sync
  7. 7
    terraform-compliance Free plan Linuxself-hosted Free6.3
    Open Policy Agent Gatekeeper vs terraform-compliance
  8. 8
    AWS CloudFormation Free plan apiLinuxMacWebWin Free6.2
    Open Policy Agent Gatekeeper vs AWS CloudFormation
  9. 9
    cfn-lint Free plan LinuxMacself-hostedWin Free6.2
    Open Policy Agent Gatekeeper vs cfn-lint
  10. 10
    Checkov Free plan LinuxMac Free6.2
    Open Policy Agent Gatekeeper vs Checkov
  11. 11
    Google Cloud Organization Policy Free plan apiWeb Free6.2
    Open Policy Agent Gatekeeper vs Google Cloud Organization Policy
  12. 12
    KICS Free plan LinuxMacself-hostedWin Free6.2
    Open Policy Agent Gatekeeper vs KICS
  13. 13
    KubeLinter Free plan LinuxMacself-hosted Free6.2
    Open Policy Agent Gatekeeper vs KubeLinter
  14. 14
    Kyverno Free plan apiLinuxMacself-hostedWin Free6.2
    Open Policy Agent Gatekeeper vs Kyverno
  15. 15
    Kubewarden LinuxMacself-hostedWin 5.8
    Open Policy Agent Gatekeeper vs Kubewarden
  16. 16
    Chef Infra Free trial apiLinuxMacself-hostedWin $4.92/mo5.7
    Open Policy Agent Gatekeeper vs Chef Infra
  17. 17
    HashiCorp Nomad apiLinuxMacself-hostedWeb 5.7
    Open Policy Agent Gatekeeper vs HashiCorp Nomad
  18. 18
    Firefly Free trial apiself-hostedWeb $2,499/mo5.4
    Open Policy Agent Gatekeeper vs Firefly
  19. 19
    Terraform Test Framework 5.4
    Open Policy Agent Gatekeeper vs Terraform Test Framework
  20. 20
    Tirith Free plan Linux Free5.4
    Open Policy Agent Gatekeeper vs Tirith

Open Policy Agent Gatekeeper alternatives compared

#AppScoreFree planFromRuns on
1Conftest6.4Free planFreeLinux, Mac, Windows
2Google Cloud Terraform Policy Validation6.4Free planFreeLinux, Mac, Windows
3Open Policy Agent6.4Free planFreeAPI, Linux, Mac, self-hosted, Web, Windows
4Terraform6.4Free plan$0.10/moAPI, Linux, Mac, self-hosted, Web, Windows
5Cloud Custodian6.3Free planFreeLinux, Mac, self-hosted, Windows
6Google Config Sync6.3Free planFreeAPI, self-hosted, Web
7terraform-compliance6.3Free planFreeLinux, self-hosted
8AWS CloudFormation6.2Free planFreeAPI, Linux, Mac, Web, Windows
9cfn-lint6.2Free planFreeLinux, Mac, self-hosted, Windows
10Checkov6.2Free planFreeLinux, Mac
11Google Cloud Organization Policy6.2Free planFreeAPI, Web
12KICS6.2Free planFreeLinux, Mac, self-hosted, Windows
13KubeLinter6.2Free planFreeLinux, Mac, self-hosted
14Kyverno6.2Free planFreeAPI, Linux, Mac, self-hosted, Windows
15Kubewarden5.8No—Linux, Mac, self-hosted, Windows
16Chef Infra5.7No$4.92/moAPI, Linux, Mac, self-hosted, Windows
17HashiCorp Nomad5.7No—API, Linux, Mac, self-hosted, Web, Windows
18Firefly5.4No$2,499/moAPI, self-hosted, Web
19Terraform Test Framework5.4No——
20Tirith5.4Free planFreeLinux
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Questions about Open Policy Agent Gatekeeper alternatives

What is the best alternative to Open Policy Agent Gatekeeper?

Conftest, number 1 in infrastructure policy as code tools with a score of 6.4 out of 10. The others here: Google Cloud Terraform Policy Validation, Open Policy Agent, Terraform and 16 more.

What is the best free alternative to Open Policy Agent Gatekeeper?

Conftest is the best-ranked alternative with a free plan. 15 of the 20 alternatives here publish a free plan on their own pricing pages.

How are these alternatives ranked?

Ranked mobile-first: a phone app alongside the web or desktop product, a free tier and the depth of its documentation.