Best ClusterLoader2 Alternatives in 2026
Updated
20 platforms from infrastructure testing tools ranked against ClusterLoader2 on the same published basis.
- 1ClusterLoader2 vs AWS CloudFormation
- 2ClusterLoader2 vs Chef InSpec
- 3ClusterLoader2 vs CIS-CAT Pro Assessor
- 4ClusterLoader2 vs Conftest
- 5ClusterLoader2 vs Terratest
- 6ClusterLoader2 vs cfn-lint
- 7ClusterLoader2 vs Cinc Auditor
- 8ClusterLoader2 vs kubeconform
- 9ClusterLoader2 vs terraform-plugin-testing
- 10ClusterLoader2 vs Test Kitchen
- 11ClusterLoader2 vs TFLint
- 12ClusterLoader2 vs cfn-nag
- 13ClusterLoader2 vs Checkov
- 14ClusterLoader2 vs KICS
- 15ClusterLoader2 vs KubeLinter
- 16ClusterLoader2 vs OpenSCAP
- 17ClusterLoader2 vs terraform-compliance
- 18ClusterLoader2 vs Sonobuoy
- 19ClusterLoader2 vs Cloud-Radar
- 20ClusterLoader2 vs kube-score
ClusterLoader2 alternatives compared
| # | Platform | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | AWS CloudFormation | 7.2 | Free plan | Free | API, Linux, Mac, Web, Windows |
| 2 | Chef InSpec | 7.2 | Free plan | Free | API, Linux, Mac, self-hosted, Windows |
| 3 | CIS-CAT Pro Assessor | 6.8 | No | $200/mo | API, Linux, Mac, self-hosted, Windows |
| 4 | Conftest | 6.0 | Free plan | Free | Linux, Mac, Windows |
| 5 | Terratest | 6.0 | Free plan | Free | Linux |
| 6 | cfn-lint | 5.9 | Free plan | Free | Linux, Mac, self-hosted, Windows |
| 7 | Cinc Auditor | 5.9 | Free plan | Free | Linux, Mac, Windows |
| 8 | kubeconform | 5.9 | Free plan | Free | Linux, Mac, self-hosted, Windows |
| 9 | terraform-plugin-testing | 5.9 | Free plan | Free | Linux, Mac |
| 10 | Test Kitchen | 5.9 | Free plan | Free | Linux, Mac, Windows |
| 11 | TFLint | 5.9 | Free plan | Free | Linux, Mac, self-hosted, Windows |
| 12 | cfn-nag | 5.8 | Free plan | Free | Linux, Mac, self-hosted |
| 13 | Checkov | 5.8 | Free plan | Free | Linux, Mac |
| 14 | KICS | 5.8 | Free plan | Free | Linux, Mac, self-hosted, Windows |
| 15 | KubeLinter | 5.8 | Free plan | Free | Linux, Mac, self-hosted |
| 16 | OpenSCAP | 5.8 | Free plan | Free | Linux, Mac, self-hosted, Windows |
| 17 | terraform-compliance | 5.8 | Free plan | Free | Linux, self-hosted |
| 18 | Sonobuoy | 5.6 | No | — | Linux, Mac, self-hosted, Windows |
| 19 | Cloud-Radar | 5.4 | No | — | — |
| 20 | kube-score | 5.3 | No | — | Linux, Mac, self-hosted, Web, Windows |
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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 7.2 out of 10. The others here: Chef InSpec, CIS-CAT Pro Assessor, Conftest 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 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.