Best Infrastructure Testing Tools in 2026
Updated
Infrastructure testing tools help teams examine infrastructure code, configurations and deployed systems. Compared on cloud support, config compliance, deployed checks and execution model, the entries offer ways to assess where testing happens and what it covers. IaC support, policy as code and provisioning tests add further dimensions; free-plan availability and paid-from pricing help frame access and cost. AWS CloudFormation, Chef InSpec and Conftest are among the tools to consider in relation to your workflows. Think about the infrastructure concerns you need to check and which testing approaches suit the systems your team manages.
Infrastructure Testing Tools, one module each.A lit port is something its maker publishes; 4 of 4 with a known API signal have a public API.
- 01 AWS CloudFormation API yesFREE yesDOCS 7.2Free
- 02 Chef InSpec API yesFREE yesDOCS 7.2Free
- 03 TaskCat API yesDOCS 6.9
- 04 CIS-CAT Pro Assessor API yesFREE noDOCS 6.8$200/mo
- 05 Conftest FREE yesDOCS 6.0Free
- 06 Terratest FREE yesDOCS 6.0Free
- 07 cfn-lint FREE yesDOCS 5.9Free
- 08 Cinc Auditor FREE yesDOCS 5.9Free
- 09 kube-score FREE yesDOCS 5.9Free
- 10 kubeconform FREE yesDOCS 5.9Free
- 11 Serverspec FREE yesDOCS 5.9Free
- 12 terraform-plugin-testing FREE yesDOCS 5.9Free
- 13 Test Kitchen FREE yesDOCS 5.9Free
- 14 TFLint FREE yesDOCS 5.9Free
- 15 cfn-nag FREE yesDOCS 5.8Free
- 16 Checkov FREE yesDOCS 5.8Free
- 17 CloudSploit FREE yesDOCS 5.8Free
- 18 KICS FREE yesDOCS 5.8Free
- 19 KubeLinter FREE yesDOCS 5.8Free
- 20 Kubetest2 FREE yesDOCS 5.8Free
- 21 OpenSCAP FREE yesDOCS 5.8Free
- 22 terraform-compliance FREE yesDOCS 5.8Free
- 23 Sonobuoy DOCS 5.6
- 24 Cloud-Radar DOCS 5.5
- 25 ClusterLoader2 DOCS 5.5
Compare all 25 in a table
| # | Platform | Score | Free plan | From | Free plan | Paid from | IaC support | Config compliance |
|---|---|---|---|---|---|---|---|---|
| 1 | AWS CloudFormation | 7.2 | Free plan | Free | Yes | |||
| 2 | Chef InSpec | 7.2 | Free plan | Free | Yes | |||
| 3 | TaskCat | 6.9 | AWS CloudFormation | |||||
| 4 | CIS-CAT Pro Assessor | 6.8 | No | $200/mo | No | |||
| 5 | Conftest | 6.0 | Free plan | Free | Yes | |||
| 6 | Terratest | 6.0 | Free plan | Free | Terraform, OpenTofu, Terragrunt, Packer, Helm | Yes | ||
| 7 | cfn-lint | 5.9 | Free plan | Free | Yes | AWS CloudFormation, AWS SAM | Yes | |
| 8 | Cinc Auditor | 5.9 | Free plan | Free | Yes | Yes | ||
| 9 | kube-score | 5.9 | Free plan | Free | ||||
| 10 | kubeconform | 5.9 | Free plan | Free | Yes | Kubernetes manifests | No | |
| 11 | Serverspec | 5.9 | Free plan | Free | CFEngine, Puppet, Chef, Ansible, Itamae | Yes | ||
| 12 | terraform-plugin-testing | 5.9 | Free plan | Free | Yes | Terraform | ||
| 13 | Test Kitchen | 5.9 | Free plan | Free | Yes | Chef Infra cookbooks, Ansible, PowerShell DSC, Puppet, Salt | Yes | |
| 14 | TFLint | 5.9 | Free plan | Free | Yes | Terraform | No | |
| 15 | cfn-nag | 5.8 | Free plan | Free | Yes | |||
| 16 | Checkov | 5.8 | Free plan | Free | Yes | |||
| 17 | CloudSploit | 5.8 | Free plan | Free | ||||
| 18 | KICS | 5.8 | Free plan | Free | Yes | |||
| 19 | KubeLinter | 5.8 | Free plan | Free | ||||
| 20 | Kubetest2 | 5.8 | Free plan | Free | Terraform | |||
| 21 | OpenSCAP | 5.8 | Free plan | Free | Yes | |||
| 22 | terraform-compliance | 5.8 | Free plan | Free | Yes | |||
| 23 | Sonobuoy | 5.6 | Yes | Yes | ||||
| 24 | Cloud-Radar | 5.5 | AWS CloudFormation | No | ||||
| 25 | ClusterLoader2 | 5.5 |
Is your platform on this list?
Numbered spots on this list can be sponsored, and a sponsored row is labelled as paid.