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Best ClusterLoader2 Alternatives in 2026

Updated

20 apps from infrastructure testing tools ranked against ClusterLoader2 on the same published basis.

  1. 1
    AWS CloudFormation Free plan apiLinuxMacWebWin Free6.6
    ClusterLoader2 vs AWS CloudFormation
  2. 2
    Conftest Free plan LinuxMacWin Free6.6
    ClusterLoader2 vs Conftest
  3. 3
    cfn-lint Free plan LinuxMacself-hostedWin Free6.5
    ClusterLoader2 vs cfn-lint
  4. 4
    Chef InSpec Free plan apiLinuxMacself-hostedWin Free6.5
    ClusterLoader2 vs Chef InSpec
  5. 5
    Cinc Auditor Free plan LinuxMacWin Free6.5
    ClusterLoader2 vs Cinc Auditor
  6. 6
    KICS Free plan LinuxMacself-hostedWin Free6.5
    ClusterLoader2 vs KICS
  7. 7
    kubeconform Free plan LinuxMacself-hostedWin Free6.5
    ClusterLoader2 vs kubeconform
  8. 8
    OpenSCAP Free plan LinuxMacself-hostedWin Free6.5
    ClusterLoader2 vs OpenSCAP
  9. 9
    Test Kitchen Free plan LinuxMacWin Free6.5
    ClusterLoader2 vs Test Kitchen
  10. 10
    TFLint Free plan LinuxMacself-hostedWin Free6.5
    ClusterLoader2 vs TFLint
  11. 11
    cfn-nag Free plan LinuxMacself-hosted Free6.4
    ClusterLoader2 vs cfn-nag
  12. 12
    Checkov Free plan LinuxMac Free6.4
    ClusterLoader2 vs Checkov
  13. 13
    KubeLinter Free plan LinuxMacself-hosted Free6.4
    ClusterLoader2 vs KubeLinter
  14. 14
    terraform-plugin-testing Free plan LinuxMac Free6.4
    ClusterLoader2 vs terraform-plugin-testing
  15. 15
    Terratest Free plan Linux Free6.4
    ClusterLoader2 vs Terratest
  16. 16
    terraform-compliance Free plan Linuxself-hosted Free6.3
    ClusterLoader2 vs terraform-compliance
  17. 17
    Sonobuoy LinuxMacself-hostedWin 5.6
    ClusterLoader2 vs Sonobuoy
  18. 18
    kube-score LinuxMacself-hostedWebWin 5.5
    ClusterLoader2 vs kube-score
  19. 19
    Molecule Linux 5.4
    ClusterLoader2 vs Molecule
  20. 20
    Cloud-Radar 5.3
    ClusterLoader2 vs Cloud-Radar

ClusterLoader2 alternatives compared

#AppScoreFree planFromRuns on
1AWS CloudFormation6.6Free planFreeAPI, Linux, Mac, Web, Windows
2Conftest6.6Free planFreeLinux, Mac, Windows
3cfn-lint6.5Free planFreeLinux, Mac, self-hosted, Windows
4Chef InSpec6.5Free planFreeAPI, Linux, Mac, self-hosted, Windows
5Cinc Auditor6.5Free planFreeLinux, Mac, Windows
6KICS6.5Free planFreeLinux, Mac, self-hosted, Windows
7kubeconform6.5Free planFreeLinux, Mac, self-hosted, Windows
8OpenSCAP6.5Free planFreeLinux, Mac, self-hosted, Windows
9Test Kitchen6.5Free planFreeLinux, Mac, Windows
10TFLint6.5Free planFreeLinux, Mac, self-hosted, Windows
11cfn-nag6.4Free planFreeLinux, Mac, self-hosted
12Checkov6.4Free planFreeLinux, Mac
13KubeLinter6.4Free planFreeLinux, Mac, self-hosted
14terraform-plugin-testing6.4Free planFreeLinux, Mac
15Terratest6.4Free planFreeLinux
16terraform-compliance6.3Free planFreeLinux, self-hosted
17Sonobuoy5.6No—Linux, Mac, self-hosted, Windows
18kube-score5.5No—Linux, Mac, self-hosted, Web, Windows
19Molecule5.4No—Linux
20Cloud-Radar5.3No——
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Questions about ClusterLoader2 alternatives

What is the best alternative to ClusterLoader2?

AWS CloudFormation, number 1 in infrastructure testing tools with a score of 6.6 out of 10. The others here: Conftest, cfn-lint, Chef InSpec and 16 more.

What is the best free alternative to ClusterLoader2?

AWS CloudFormation is the best-ranked alternative with a free plan. 16 of the 20 alternatives here publish a free plan on their own pricing pages.

How are these alternatives ranked?

Ranked free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation.