Best Conftest Alternatives in 2026
Updated
20 apps from infrastructure testing tools ranked against Conftest on the same published basis.
- 1Conftest vs AWS CloudFormation
- 3Conftest vs cfn-lint
- 4Conftest vs Chef InSpec
- 5Conftest vs Cinc Auditor
- 6Conftest vs KICS
- 7Conftest vs kubeconform
- 8Conftest vs OpenSCAP
- 9Conftest vs Test Kitchen
- 10Conftest vs TFLint
- 11Conftest vs cfn-nag
- 12Conftest vs Checkov
- 13Conftest vs KubeLinter
- 14Conftest vs terraform-plugin-testing
- 15Conftest vs Terratest
- 16Conftest vs terraform-compliance
- 17Conftest vs Sonobuoy
- 18Conftest vs kube-score
- 19Conftest vs Cloud-Radar
- 20Conftest vs Serverspec
- 21Conftest vs CIS-CAT Pro Assessor
Conftest alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | AWS CloudFormation | 6.6 | Free plan | Free | API, Linux, Mac, Web, Windows |
| 3 | cfn-lint | 6.5 | Free plan | Free | Linux, Mac, self-hosted, Windows |
| 4 | Chef InSpec | 6.5 | Free plan | Free | API, Linux, Mac, self-hosted, Windows |
| 5 | Cinc Auditor | 6.5 | Free plan | Free | Linux, Mac, Windows |
| 6 | KICS | 6.5 | Free plan | Free | Linux, Mac, self-hosted, Windows |
| 7 | kubeconform | 6.5 | Free plan | Free | Linux, Mac, self-hosted, Windows |
| 8 | OpenSCAP | 6.5 | Free plan | Free | Linux, Mac, self-hosted, Windows |
| 9 | Test Kitchen | 6.5 | Free plan | Free | Linux, Mac, Windows |
| 10 | TFLint | 6.5 | Free plan | Free | Linux, Mac, self-hosted, Windows |
| 11 | cfn-nag | 6.4 | Free plan | Free | Linux, Mac, self-hosted |
| 12 | Checkov | 6.4 | Free plan | Free | Linux, Mac |
| 13 | KubeLinter | 6.4 | Free plan | Free | Linux, Mac, self-hosted |
| 14 | terraform-plugin-testing | 6.4 | Free plan | Free | Linux, Mac |
| 15 | Terratest | 6.4 | Free plan | Free | Linux |
| 16 | terraform-compliance | 6.3 | Free plan | Free | Linux, self-hosted |
| 17 | Sonobuoy | 5.6 | No | — | Linux, Mac, self-hosted, Windows |
| 18 | kube-score | 5.5 | No | — | Linux, Mac, self-hosted, Web, Windows |
| 19 | Cloud-Radar | 5.3 | No | — | — |
| 20 | Serverspec | 5.3 | No | — | Linux, Windows |
| 21 | CIS-CAT Pro Assessor | 5.2 | No | $200/mo | API, Linux, Mac, self-hosted, Windows |
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Questions about Conftest alternatives
What is the best alternative to Conftest?
AWS CloudFormation, number 1 in infrastructure testing tools with a score of 6.6 out of 10. The others here: cfn-lint, Chef InSpec, Cinc Auditor and 16 more.
What is the best free alternative to Conftest?
AWS CloudFormation 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 free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation.