Best Open Policy Agent Alternatives in 2026
The top Open Policy Agent alternatives are Terraform, Azure Policy and Cloud Custodian: 15 infrastructure policy as code tools our editors would look at instead of Open Policy Agent, in our ranking order.
Open Policy Agent: A broad, programmable policy engine for teams building policy platforms. Where it falls short: requires teams to author policies in the rego language.
Switching from Open Policy Agent? For most infrastructure policy as code tools buyers the best Open Policy Agent alternative is Terraform, built for multi-cloud Terraform teams. On a budget, Firefly starts at $2,499/mo.
Why People Look for an Open Policy Agent Alternative
- Requires teams to author policies in the Rego language
- The supplied platform coverage is primarily API-based
- Open-source delivery does not include paid hosted plans
Quick Picks by What You Need
- Best overallTerraform9.4
Multi-cloud Terraform teams
Visit Terraform - Lowest priceFirefly8.7
Paid plans from $2,499/mo
Visit Firefly - Best free optionTerraform9.4
Has a free plan
Visit Terraform
All 15 Open Policy Agent Alternatives, Ranked
Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.
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Best forMulti-cloud Terraform teams
- Better than Open Policy Agent:
- Editor score 9.4 vs 9.1
A broad Terraform workflow for multi-cloud teams that need policy and state controls.
9.4/10★★★★★Visit Terraform -
Best forAzure governance teams
- Better than Open Policy Agent:
- Editor score 9.3 vs 9.1
A free Azure-native policy service with broad enforcement, remediation, and CI/CD coverage.
- Runtime enforcement
- Admission control
- Policy testing
9.3/10★★★★★Visit Azure Policy -
Best forMulti-cloud remediation teams
A broad, open-source policy engine for teams managing cloud compliance and remediation.
- Runtime enforcement
- Admission control
- Policy testing
9.0/10★★★★☆Try Cloud Custodian -
Best forOpen-source IaC scanning teams
A broad open-source scanner for preventive IaC security and compliance checks.
8.9/10★★★★☆Visit Checkov -
Best forAWS policy validation teams
A focused, open-source validator for AWS and multi-format infrastructure policy checks.
- Admission control
- Policy testing
- CI/CD integration
8.8/10★★★★☆Visit site -
Best forEnterprise multi-cloud IaC governance
Enterprise multi-cloud governance with orchestration, drift remediation, and policy controls.
8.7/10★★★★☆Visit Firefly -
Best forGoogle Kubernetes fleet governance
A focused, free policy layer for governing Kubernetes fleets with Rego and admission control.
- Runtime enforcement
- Admission control
- Policy testing
8.6/10★★★★☆Visit Google Cloud -
Best forBroad IaC static analysis
A free CLI for broad IaC scanning, customizable policies, secrets detection, and CI/CD reporting.
- Policy testing
- CI/CD integration
- Policy reporting
8.5/10★★★★☆Visit KICS -
Best forKubernetes admission policy teams
Open-source Kubernetes admission control with WebAssembly policies and built-in auditing.
- Runtime enforcement
- Admission control
- Policy testing
8.4/10★★★★☆Visit Kubewarden -
Best forTerraform enterprise policy enforcement
A focused Sentinel framework for enforcing Terraform and HashiCorp product policies.
- Runtime enforcement
- Admission control
- Policy testing
8.3/10★★★★☆Visit HashiCorp -
Best forAWS infrastructure policy workflows
A free, AWS-native option for managed infrastructure templates, previews, and drift detection.
8.2/10★★★★☆Visit site -
Best forLightweight Rego checks in CI
A focused, open-source CLI for Rego checks across Terraform and Kubernetes.
8.1/10★★★★☆Visit Conftest -
Best forKubernetes-native policy operations
Open-source policy operations for validating, mutating, and scanning Kubernetes resources.
- Admission control
8.0/10★★★★☆Visit Kyverno -
Best forCompliance testing across infrastructure
A flexible Ruby-based compliance testing framework for servers, containers, and cloud resources.
- Policy testing
- CI/CD integration
- Policy reporting
7.9/10★★★★☆Visit Chef InSpec -
Best forSupported enterprise Kyverno deployments
A supported Kyverno distribution for organizations enforcing policy across Kubernetes and IaC.
- Admission control
- Policy testing
- CI/CD integration
7.8/10★★★★☆Visit Nirmata
Open Policy Agent Alternatives: Common Questions
What is the best alternative to Open Policy Agent?
Terraform: #1 in our Infrastructure Policy as Code Tools ranking, with an editor score of 9.4 out of 10. A broad Terraform workflow for multi-cloud teams that need policy and state controls.
Is there a free alternative to Open Policy Agent?
Yes. Terraform, Azure Policy, Cloud Custodian, Checkov and AWS CloudFormation Guard have a free plan or a free tier (12 of the 15 alternatives on this page).
Why do people look for Open Policy Agent alternatives?
Requires teams to author policies in the Rego language; The supplied platform coverage is primarily API-based; Open-source delivery does not include paid hosted plans.
How do I switch from Open Policy Agent?
Export your data from Open Policy Agent (most tools have an export in their settings). Sign up for the alternative; start on its free plan or trial if it has one. Import your export and set up the integrations your team relies on. Run both side by side for a short while, then cancel Open Policy Agent.
How to Switch from Open Policy Agent
- Export your data from Open Policy Agent (most tools have an export in their settings).
- Sign up for the alternative; start on its free plan or trial if it has one.
- Import your export and set up the integrations your team relies on.
- Run both side by side for a short while, then cancel Open Policy Agent.
Open Policy Agent vs Each Alternative
| # | Tool | Free plan | Paid from | Policy language | IaC formats | Policy testing | Admission control | Score |
|---|---|---|---|---|---|---|---|---|
| 3 | Open Policy Agent | Free | Rego | Terraform plan JSON, JSON, YAML | Yes | Yes | 9.1 | |
| 1 | Terraform | Yes | 9.4 | |||||
| 2 | Azure Policy | Yes | Free | JSON | ARM templates, Bicep, Terraform | Yes | Yes | 9.3 |
| 3 | Cloud Custodian | Yes | Free | YAML | Terraform | Yes | Yes | 9.0 |
| 4 | Checkov | Yes | Free | 8.9 | ||||
| 5 | AWS CloudFormation Guard | Free | AWS CloudFormation Guard DSL | CloudFormation templates and change sets; Terraform JSON; Kubernetes configurations | Yes | Yes | 8.8 | |
| 6 | Firefly | No | $2,499/mo | 8.7 | ||||
| 7 | Google Cloud Policy Controller | Yes | Free | Rego | Kubernetes YAML manifests and Custom Resources | Yes | Yes | 8.6 |
| 8 | KICS | Yes | Free | OPA Rego | Terraform, Kubernetes, Docker, AWS CloudFormation, Ansible, Helm, Google Deployment Manager, AWS SAM, Microsoft ARM, Azure Blueprints, OpenAPI, Pulumi, Crossplane, Knative, Serverless Framework | Yes | 8.5 | |
| 9 | Kubewarden | Yes | Free | WebAssembly-compatible languages including Rust, Go, CEL, and Rego | Kubernetes resources and admission requests in YAML/JSON | Yes | Yes | 8.4 |
| 10 | HashiCorp Sentinel | Sentinel | Terraform configurations, states, and plans | Yes | Yes | 8.3 | ||
| 11 | AWS CloudFormation | Yes | 8.2 | |||||
| 12 | Conftest | Yes | Free | 8.1 | ||||
| 13 | Kyverno | Free | Yes | 8.0 | ||||
| 14 | Chef InSpec | Free | Ruby DSL | Servers, containers, cloud APIs | Yes | 7.9 | ||
| 15 | Nirmata Enterprise for Kyverno | No | Kubernetes-native YAML and CEL | Kubernetes manifests, Terraform plans, OpenTofu plans, Dockerfiles, AWS CDK, CloudFormation templates, Ansible playbooks | Yes | Yes | 7.8 |
Head-to-Head
- Open Policy Agent vs Terraform
- Open Policy Agent vs Azure Policy
- Open Policy Agent vs Cloud Custodian
- Open Policy Agent vs Checkov
- Open Policy Agent vs AWS CloudFormation Guard
- Open Policy Agent vs Firefly
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update