Best Molecule Alternatives in 2026
Updated
20 tools from infrastructure testing tools ranked against Molecule on the same published basis.
- 1Molecule vs Chef InSpec
- 2Molecule vs Conftest
- 3Molecule vs kubeconform
- 4Molecule vs Test Kitchen
- 5Molecule vs AWS CloudFormation
- 6Molecule vs Sonobuoy
- 7Molecule vs Terratest
- 8Molecule vs TFLint
- 9Molecule vs cfn-lint
- 10Molecule vs Cinc Auditor
- 11Molecule vs OpenSCAP
- 12Molecule vs Checkov
- 13Molecule vs KICS
- 14Molecule vs terraform-plugin-testing
- 15Molecule vs cfn-nag
- 16Molecule vs KubeLinter
- 17Molecule vs terraform-compliance
- 18Molecule vs CIS-CAT Pro Assessor
- 19Molecule vs kube-score
- 21Molecule vs TaskCat
Molecule alternatives compared
| # | Tool | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Chef InSpec | 7.5 | Free plan | Free | API, Linux, Mac, self-hosted, Windows |
| 2 | Conftest | 7.4 | Free plan | Free | Linux, Mac, Windows |
| 3 | kubeconform | 7.2 | Free plan | Free | Linux, Mac, self-hosted, Windows |
| 4 | Test Kitchen | 7.2 | Free plan | Free | Linux, Mac, Windows |
| 5 | AWS CloudFormation | 7.1 | Free plan | Free | API, Linux, Mac, Web, Windows |
| 6 | Sonobuoy | 7.1 | No | — | Linux, Mac, self-hosted, Windows |
| 7 | Terratest | 7.1 | Free plan | Free | Linux |
| 8 | TFLint | 7.1 | Free plan | Free | Linux, Mac, self-hosted, Windows |
| 9 | cfn-lint | 7.0 | Free plan | Free | Linux, Mac, self-hosted, Windows |
| 10 | Cinc Auditor | 7.0 | Free plan | Free | Linux, Mac, Windows |
| 11 | OpenSCAP | 7.0 | Free plan | Free | Linux, Mac, self-hosted, Windows |
| 12 | Checkov | 6.9 | Free plan | Free | Linux, Mac |
| 13 | KICS | 6.9 | Free plan | Free | Linux, Mac, self-hosted, Windows |
| 14 | terraform-plugin-testing | 6.9 | Free plan | Free | Linux, Mac |
| 15 | cfn-nag | 6.7 | Free plan | Free | Linux, Mac, self-hosted |
| 16 | KubeLinter | 6.7 | Free plan | Free | Linux, Mac, self-hosted |
| 17 | terraform-compliance | 6.7 | Free plan | Free | Linux, self-hosted |
| 18 | CIS-CAT Pro Assessor | 6.6 | No | $200/mo | API, Linux, Mac, self-hosted, Windows |
| 19 | kube-score | 6.5 | No | — | Linux, Mac, self-hosted, Web, Windows |
| 21 | TaskCat | 6.3 | No | — | Linux |
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Questions about Molecule alternatives
What is the best alternative to Molecule?
Chef InSpec, number 1 in infrastructure testing tools with a score of 7.5 out of 10. The others here: Conftest, kubeconform, Test Kitchen and 16 more.
What is the best free alternative to Molecule?
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 what each maker publishes, the fullest spec sheet first: how deeply the product is documented, the platforms it runs on, a free tier or trial to test it, and its standing.