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Instead of Cloud Custodian

Cloud Custodian alternatives

Cloud Custodian gives teams YAML-based control over cloud resources: select resource types, filter matching items, and apply actions. It covers security enforcement, compliance, tagging, unused-resource cleanup, and cost management across AWS, Azure, and Google Cloud Platform. Policies can respond to provider events or run as scheduled jobs, while validation and dry-run modes help preview results. It is free, open source, and runs on Linux, macOS, Windows, or self-hosted deployments, with metrics, records, and logs available from policy runs.

  1. 1

    Terraform

    Free plan APILinuxMac+3

    Infrastructure provisioning and reusable cloud configuration — Terraform provisions and manages infrastructure through configuration, while Cloud Custodian filters existing resources and applies policy actions.

    Free plan Visit site
  2. 2

    Conftest

    Free plan LinuxMacWindows

    Configuration policy tests in CI — Conftest tests structured configuration with Rego and CI-oriented outputs instead of executing Cloud Custodian actions on cloud resources.

    Free plan Visit site
  3. 3

    Fairwinds Polaris

    Free plan LinuxMacSelf-hosted+2

    Kubernetes validation and remediation — Polaris focuses on Kubernetes configuration validation and automatic remediation through dashboards, admission control, or CLI checks.

    Free plan Visit site
  4. 4

    Google Cloud Terraform Policy Validation

    Free plan LinuxMacWindows

    Terraform compliance in Google Cloud CI/CD — Google Cloud Terraform Policy Validation evaluates Terraform plans against reusable governance constraints before deployment rather than managing live resources.

    Free plan Visit site
  5. 5

    Open Policy Agent

    Free plan APILinuxMac+3

    General policy decisions across platforms — OPA separates policy decisions from enforcement, using Rego and APIs, WebAssembly, or custom evaluators across many environments.

    Open source Visit site
  6. 6

    AWS CloudFormation

    Free plan APIiPhoneLinux+3

    AWS infrastructure lifecycle management — CloudFormation provisions AWS and third-party infrastructure with templates, StackSets, change previews, and drift detection.

    Free plan Visit site
  7. 7

    cfn-lint

    Free plan LinuxMacSelf-hosted+1

    AWS CloudFormation template validation — cfn-lint checks CloudFormation templates against schemas and best-practice rules, rather than enforcing policies on deployed resources.

    Open source Visit site
  8. 8

    Kyverno

    Free plan Open source APILinuxMac+3
    8.8 Open source Visit site
  9. 9

    Open Policy Agent Gatekeeper

    Free plan Open source APILinuxSelf-hosted
    8.5 Free plan Visit site
  10. 10

    AWS Control Tower

    Free plan APIWeb
    7.4 Free plan Visit site
  11. 11

    CloudBolt

    Free plan APISelf-hostedWeb
    7.4 Free plan Visit site
  12. 12

    Google Cloud Organization Policy

    Free plan APILinuxMac+2
    7.4 Free plan Visit site
  13. 13

    CGPulse

    Free plan APIWeb
    7.3 Free plan · paid from €99/mo · 7-day trial Visit site
  14. 14

    Kubewarden

    Free plan LinuxMacSelf-hosted+1
    7.0 Free plan Visit site
  15. 15

    OmniGCloud

    Free plan APISelf-hostedWeb
    7.0 Free plan · paid from $39/user/mo (annual) Visit site
  16. 16

    Powerpipe

    Free plan LinuxMacSelf-hosted+2
    7.0 Open source Visit site
  17. 17

    Open Cluster Management

    Free plan APIExtensionLinux+1
    6.8 Open source Visit site
  18. 18

    Firefly

    Free trial APISelf-hostedWeb
    6.2 From $2,499/mo (annual) · 14-day trial Visit site
  19. 19

    Azure Policy

    Free plan Web
    6.1 Free plan Visit site
  20. 20

    emma Governance

    Free trial APIWeb
    6.1 Pricing on request Visit site
  21. 21

    Google Cloud Secret Manager

    Free plan Web
    6.1 Free plan · paid from $0.03 · 90-day trial Visit site
  22. 22

    Google Cloud Assured Workloads

    Free plan Web
    5.9 Free plan · 60-day trial Visit site
  23. 23

    AWS Config

    Paid APIWeb
    5.8 Visit site
  24. 24

    Turbot Guardrails

    Free trial APISelf-hostedWeb
    5.7 From $0.05/mo · 14-day trial Visit site
  25. 25

    CoreStack Cloud Governance

    Paid APIWeb
    5.6 Pricing on request Visit site
  26. 26

    Jamcracker

    Paid APISelf-hostedWeb
    5.6 Pricing on request Visit site
  27. 27

    Kion

    Paid APISelf-hostedWeb
    5.5 Visit site
  28. 28

    ServiceNow Event Management

    by ServiceNow Event Management
    Paid APILinuxWeb+1
    5.4 Pricing on request Visit site
  29. 29

    MacroCloud Governance Center

    Paid Web
    5.1 Pricing on request Visit site
  30. 30

    PolicyCortex

    Paid Web
    5.0 Pricing on request Visit site
  31. 31

    TMC Governance

    Paid APIWeb
    4.7 Pricing on request Visit site

Alternatives become relevant when you need infrastructure provisioning, Kubernetes-focused safeguards, broader policy decisions, or configuration tests in CI. Cloud Custodian’s Kubernetes, Tencent Cloud, and OpenStack support is in beta, and its Terraform integration is in alpha. AWS event-triggered policies must run in the same region and account as their resources, unlike periodic policies. Before switching, weigh whether you need live-resource actions or pre-deployment checks, which policy language fits your team, where enforcement runs, and whether your target environment is cloud infrastructure, Kubernetes, or application data.

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