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Best ClusterLoader2 Alternatives in 2026

Updated

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

  1. 1
    Chef InSpec Free plan apiLinuxMacself-hostedWin Free7.7
    ClusterLoader2 vs Chef InSpec
  2. 2
    Conftest Free plan LinuxMacWin Free7.3
    ClusterLoader2 vs Conftest
  3. 3
    Test Kitchen Free plan LinuxMacWin Free7.2
    ClusterLoader2 vs Test Kitchen
  4. 4
    kubeconform Free plan LinuxMacself-hostedWin Free7.1
    ClusterLoader2 vs kubeconform
  5. 5
    Terratest Free plan Linux Free7.1
    ClusterLoader2 vs Terratest
  6. 6
    AWS CloudFormation Free plan apiLinuxMacWebWin Free6.9
    ClusterLoader2 vs AWS CloudFormation
  7. 7
    cfn-lint Free plan LinuxMacself-hostedWin Free6.9
    ClusterLoader2 vs cfn-lint
  8. 8
    Checkov Free plan LinuxMac Free6.9
    ClusterLoader2 vs Checkov
  9. 9
    Cinc Auditor Free plan LinuxMacWin Free6.9
    ClusterLoader2 vs Cinc Auditor
  10. 10
    TFLint Free plan LinuxMacself-hostedWin Free6.9
    ClusterLoader2 vs TFLint
  11. 11
    KICS Free plan LinuxMacself-hostedWin Free6.8
    ClusterLoader2 vs KICS
  12. 12
    OpenSCAP Free plan LinuxMacself-hostedWin Free6.8
    ClusterLoader2 vs OpenSCAP
  13. 13
    terraform-compliance Free plan Linuxself-hosted Free6.8
    ClusterLoader2 vs terraform-compliance
  14. 14
    terraform-plugin-testing Free plan LinuxMac Free6.8
    ClusterLoader2 vs terraform-plugin-testing
  15. 15
    cfn-nag Free plan LinuxMacself-hosted Free6.7
    ClusterLoader2 vs cfn-nag
  16. 16
    KubeLinter Free plan LinuxMacself-hosted Free6.7
    ClusterLoader2 vs KubeLinter
  17. 17
    Sonobuoy LinuxMacself-hostedWin 6.7
    ClusterLoader2 vs Sonobuoy
  18. 18
    CIS-CAT Pro Assessor apiLinuxMacself-hostedWin $200/mo6.1
    ClusterLoader2 vs CIS-CAT Pro Assessor
  19. 19
    Cloud-Radar 6.1
    ClusterLoader2 vs Cloud-Radar
  20. 20
    kube-score LinuxMacself-hostedWebWin 6.1
    ClusterLoader2 vs kube-score

ClusterLoader2 alternatives compared

#PlatformScoreFree planFromRuns on
1Chef InSpec7.7Free planFreeAPI, Linux, Mac, self-hosted, Windows
2Conftest7.3Free planFreeLinux, Mac, Windows
3Test Kitchen7.2Free planFreeLinux, Mac, Windows
4kubeconform7.1Free planFreeLinux, Mac, self-hosted, Windows
5Terratest7.1Free planFreeLinux
6AWS CloudFormation6.9Free planFreeAPI, Linux, Mac, Web, Windows
7cfn-lint6.9Free planFreeLinux, Mac, self-hosted, Windows
8Checkov6.9Free planFreeLinux, Mac
9Cinc Auditor6.9Free planFreeLinux, Mac, Windows
10TFLint6.9Free planFreeLinux, Mac, self-hosted, Windows
11KICS6.8Free planFreeLinux, Mac, self-hosted, Windows
12OpenSCAP6.8Free planFreeLinux, Mac, self-hosted, Windows
13terraform-compliance6.8Free planFreeLinux, self-hosted
14terraform-plugin-testing6.8Free planFreeLinux, Mac
15cfn-nag6.7Free planFreeLinux, Mac, self-hosted
16KubeLinter6.7Free planFreeLinux, Mac, self-hosted
17Sonobuoy6.7No—Linux, Mac, self-hosted, Windows
18CIS-CAT Pro Assessor6.1No$200/moAPI, Linux, Mac, self-hosted, Windows
19Cloud-Radar6.1No——
20kube-score6.1No—Linux, Mac, self-hosted, Web, Windows
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Questions about ClusterLoader2 alternatives

What is the best alternative to ClusterLoader2?

Chef InSpec, number 1 in infrastructure testing tools with a score of 7.7 out of 10. The others here: Conftest, Test Kitchen, kubeconform and 16 more.

What is the best free alternative to ClusterLoader2?

Chef InSpec 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 on how quickly a newcomer can get going: documentation depth, a free tier or trial, and the platforms it runs on.