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Best Open Policy Agent Gatekeeper Alternatives in 2026

Updated

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

  1. 1
    Open Policy Agent Free plan apiLinuxMacself-hostedWeb Free7.4
    Open Policy Agent Gatekeeper vs Open Policy Agent
  2. 2
    Terraform Free plan apiLinuxMacself-hostedWeb $0.10/mo7.4
    Open Policy Agent Gatekeeper vs Terraform
  3. 3
    Google Config Sync Free plan apiself-hostedWeb Free7.3
    Open Policy Agent Gatekeeper vs Google Config Sync
  4. 4
    AWS CloudFormation Free plan apiLinuxMacWebWin Free7.2
    Open Policy Agent Gatekeeper vs AWS CloudFormation
  5. 5
    Google Cloud Organization Policy Free plan apiWeb Free7.2
    Open Policy Agent Gatekeeper vs Google Cloud Organization Policy
  6. 6
    Kyverno Free plan apiLinuxMacself-hostedWin Free7.2
    Open Policy Agent Gatekeeper vs Kyverno
  7. 7
    Chef Infra Free trial apiLinuxMacself-hostedWin $4.92/mo6.9
    Open Policy Agent Gatekeeper vs Chef Infra
  8. 8
    HashiCorp Nomad apiLinuxMacself-hostedWeb 6.9
    Open Policy Agent Gatekeeper vs HashiCorp Nomad
  9. 9
    Firefly Free trial apiself-hostedWeb $2,499/mo6.7
    Open Policy Agent Gatekeeper vs Firefly
  10. 10
    Google Cloud Terraform Policy Validation Free plan LinuxMacWin Free6.0
    Open Policy Agent Gatekeeper vs Google Cloud Terraform Policy Validation
  11. 11
    Cloud Custodian Free plan LinuxMacself-hostedWin Free5.9
    Open Policy Agent Gatekeeper vs Cloud Custodian
  12. 12
    Conftest Free plan LinuxMacWin Free5.9
    Open Policy Agent Gatekeeper vs Conftest
  13. 13
    KICS Free plan LinuxMacself-hostedWin Free5.9
    Open Policy Agent Gatekeeper vs KICS
  14. 14
    KubeLinter Free plan LinuxMacself-hosted Free5.9
    Open Policy Agent Gatekeeper vs KubeLinter
  15. 15
    terraform-compliance Free plan Linuxself-hosted Free5.9
    Open Policy Agent Gatekeeper vs terraform-compliance
  16. 16
    cfn-lint Free plan LinuxMacself-hostedWin Free5.8
    Open Policy Agent Gatekeeper vs cfn-lint
  17. 17
    Checkov Free plan LinuxMac Free5.8
    Open Policy Agent Gatekeeper vs Checkov
  18. 18
    Kubewarden LinuxMacself-hostedWin 5.6
    Open Policy Agent Gatekeeper vs Kubewarden
  19. 19
    Tirith 5.2
    Open Policy Agent Gatekeeper vs Tirith
  20. 20
    Terraform Test Framework 5.1
    Open Policy Agent Gatekeeper vs Terraform Test Framework

Open Policy Agent Gatekeeper alternatives compared

#PlatformScoreFree planFromRuns on
1Open Policy Agent7.4Free planFreeAPI, Linux, Mac, self-hosted, Web, Windows
2Terraform7.4Free plan$0.10/moAPI, Linux, Mac, self-hosted, Web, Windows
3Google Config Sync7.3Free planFreeAPI, self-hosted, Web
4AWS CloudFormation7.2Free planFreeAPI, Linux, Mac, Web, Windows
5Google Cloud Organization Policy7.2Free planFreeAPI, Web
6Kyverno7.2Free planFreeAPI, Linux, Mac, self-hosted, Windows
7Chef Infra6.9No$4.92/moAPI, Linux, Mac, self-hosted, Windows
8HashiCorp Nomad6.9No—API, Linux, Mac, self-hosted, Web, Windows
9Firefly6.7No$2,499/moAPI, self-hosted, Web
10Google Cloud Terraform Policy Validation6.0Free planFreeLinux, Mac, Windows
11Cloud Custodian5.9Free planFreeLinux, Mac, self-hosted, Windows
12Conftest5.9Free planFreeLinux, Mac, Windows
13KICS5.9Free planFreeLinux, Mac, self-hosted, Windows
14KubeLinter5.9Free planFreeLinux, Mac, self-hosted
15terraform-compliance5.9Free planFreeLinux, self-hosted
16cfn-lint5.8Free planFreeLinux, Mac, self-hosted, Windows
17Checkov5.8Free planFreeLinux, Mac
18Kubewarden5.6No—Linux, Mac, self-hosted, Windows
19Tirith5.2No——
20Terraform Test Framework5.1No——
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Questions about Open Policy Agent Gatekeeper alternatives

What is the best alternative to Open Policy Agent Gatekeeper?

Open Policy Agent, number 1 in infrastructure policy as code tools with a score of 7.4 out of 10. The others here: Terraform, Google Config Sync, AWS CloudFormation and 16 more.

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

Open Policy Agent 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, 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.