Best Sonobuoy Alternatives in 2026
Updated
20 apps from infrastructure testing tools ranked against Sonobuoy on the same published basis.
- 1Sonobuoy vs Conftest
- 2Sonobuoy vs Terratest
- 3Sonobuoy vs cfn-lint
- 4Sonobuoy vs Cinc Auditor
- 5Sonobuoy vs kubeconform
- 6Sonobuoy vs terraform-plugin-testing
- 7Sonobuoy vs Test Kitchen
- 8Sonobuoy vs TFLint
- 9Sonobuoy vs AWS CloudFormation
- 10Sonobuoy vs cfn-nag
- 11Sonobuoy vs Checkov
- 12Sonobuoy vs Chef InSpec
- 13Sonobuoy vs KICS
- 14Sonobuoy vs KubeLinter
- 15Sonobuoy vs OpenSCAP
- 16Sonobuoy vs terraform-compliance
- 18Sonobuoy vs Molecule
- 19Sonobuoy vs CIS-CAT Pro Assessor
- 20Sonobuoy vs Cloud-Radar
- 21Sonobuoy vs ClusterLoader2
Sonobuoy alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Conftest | 6.4 | Free plan | Free | Linux, Mac, Windows |
| 2 | Terratest | 6.4 | Free plan | Free | Linux |
| 3 | cfn-lint | 6.3 | Free plan | Free | Linux, Mac, self-hosted, Windows |
| 4 | Cinc Auditor | 6.3 | Free plan | Free | Linux, Mac, Windows |
| 5 | kubeconform | 6.3 | Free plan | Free | Linux, Mac, self-hosted, Windows |
| 6 | terraform-plugin-testing | 6.3 | Free plan | Free | Linux, Mac |
| 7 | Test Kitchen | 6.3 | Free plan | Free | Linux, Mac, Windows |
| 8 | TFLint | 6.3 | Free plan | Free | Linux, Mac, self-hosted, Windows |
| 9 | AWS CloudFormation | 6.2 | Free plan | Free | API, Linux, Mac, Web, Windows |
| 10 | cfn-nag | 6.2 | Free plan | Free | Linux, Mac, self-hosted |
| 11 | Checkov | 6.2 | Free plan | Free | Linux, Mac |
| 12 | Chef InSpec | 6.2 | Free plan | Free | API, Linux, Mac, self-hosted, Windows |
| 13 | KICS | 6.2 | Free plan | Free | Linux, Mac, self-hosted, Windows |
| 14 | KubeLinter | 6.2 | Free plan | Free | Linux, Mac, self-hosted |
| 15 | OpenSCAP | 6.2 | Free plan | Free | Linux, Mac, self-hosted, Windows |
| 16 | terraform-compliance | 6.2 | Free plan | Free | Linux, self-hosted |
| 18 | Molecule | 5.8 | No | — | Linux |
| 19 | CIS-CAT Pro Assessor | 5.6 | No | $200/mo | API, Linux, Mac, self-hosted, Windows |
| 20 | Cloud-Radar | 5.6 | No | — | — |
| 21 | ClusterLoader2 | 5.6 | No | — | self-hosted |
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Questions about Sonobuoy alternatives
What is the best alternative to Sonobuoy?
Conftest, number 1 in infrastructure testing tools with a score of 6.4 out of 10. The others here: Terratest, cfn-lint, Cinc Auditor and 16 more.
What is the best free alternative to Sonobuoy?
Conftest 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 mobile-first: a phone app alongside the web or desktop product, a free tier and the depth of its documentation.