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AWS Controllers for Kubernetes

Free#21 of 29 in Infrastructure as Code Tools

AWS Controllers for Kubernetes: A focused, open-source way to reconcile AWS resources through Kubernetes. Ranked #21 of 29 in Infrastructure as Code Tools by our editors (7.2/10); pricing: Open source; best for AWS resources managed through Kubernetes.

7.2/10Editor score
Visit AWS ACK
AWS Controllers for Kubernetes7.2 Visit AWS ACK

At a glance

  • Editor score
    7.2 / 10
  • Pricing
    Open source
  • Best for
    AWS resources managed through Kubernetes
  • Paid from
    Free
  • Configuration language
    Yaml/json
  • Founded
    2006
  • Facts checked
    22 Sep 2026
AWS Controllers for Kubernetes screenshot

  • Where it wins

    • Declarative YAML manifests support GitOps and continuous reconciliation.
    • Detects drift, adopts existing resources, and supports deletion policies.
    • Supports cross-account and multi-region AWS resource management.

  • Where it doesn't

    • Requires a self-hosted Kubernetes cluster and execution model.
    • Supports AWS only rather than multiple cloud providers.
    • AWS usage and Kubernetes infrastructure costs remain separate.

Our verdict on AWS Controllers for Kubernetes

AWS Controllers for Kubernetes (ACK) is an open-source collection of Kubernetes controllers for managing AWS service resources from Kubernetes. It is designed for teams that want AWS resources represented as Kubernetes custom resources and defined through declarative YAML manifests. ACK controllers communicate with AWS service APIs to create, update, delete, and reconcile resources, and can run with Kubernetes clusters on Amazon EKS or elsewhere.

Its strongest fit is a Kubernetes-centered GitOps workflow. Continuous reconciliation keeps Kubernetes and AWS aligned, while drift detection addresses manual changes made in AWS. ACK also supports adopting existing AWS resources, cross-account resource management, multi-region resource management, and deletion policies that retain or delete AWS resources. The project integrates with the Kubernetes API, AWS service APIs, and AWS IAM/STS. Controllers can be installed independently, with separate release cycles, using Helm or raw Kubernetes manifests.

ACK is open source, so the project itself is not presented as a paid tiered product. AWS service usage and Kubernetes infrastructure costs are separate from the project. That makes ACK a focused choice for organizations already operating Kubernetes and wanting AWS resources managed through the same declarative model. It is less suitable for teams seeking a hosted infrastructure-as-code service, a multi-cloud tool, or an execution model that does not depend on self-hosted Kubernetes.

Your product? Our editors can test AWS Controllers for Kubernetes in depth and publish a review, labelled as paid · from $149/mo →

AWS Controllers for Kubernetes pricing

Plans Open sourceFree Free to use — no paid tier required for the core job.
See plans on aws-controllers-k8s.github.io

AWS Controllers for Kubernetes fact sheet

Free planNot verified
Paid fromFree
Configuration languageYaml/json
Supported cloudsAWS
State managementSelf-hosted
Policy as codeNot verified
Drift detectionYes
Import existing resourcesYes
Self-hosted executionYes
DeploymentCloud, Self-hosted
SupportCommunity, Docs
Built forMid-market, Enterprise (editorial estimate)
Integrations8 integrations: Amazon EKS, Amazon S3, Amazon RDS, Amazon DynamoDB, AWS Lambda, Amazon EC2 …
PricingOpen source
Websiteaws-controllers-k8s.github.io
Facts checked22 Sep 2026

AWS Controllers for Kubernetes integrations

AWS Controllers for Kubernetes lists 8 integrations on its own site.

  • Amazon EKS
  • Amazon S3
  • Amazon RDS
  • Amazon DynamoDB
  • AWS Lambda
  • Amazon EC2
  • Amazon SNS
  • Amazon SQS

Alternatives to AWS Controllers for Kubernetes

See all AWS Controllers for Kubernetes alternatives →

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Featured on iTechGuides

Featured on iTechGuides — AWS Controllers for Kubernetes 7.2/10

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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

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