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Cluster API vs KubeSphere

Both stand on kubernetes management platforms. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

Cluster API

Free plan APILinuxMac+2

Cluster API provides declarative lifecycle management for multiple Kubernetes clusters, with interchangeable providers and two paths for managing provider components. Its provisioning scope has clear boundaries, and production use calls for a managed management cluster and provider due diligence.

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KubeSphere

Free plan Open source APILinuxSelf-hosted+1

KubeSphere pairs a free self-managed Community Edition with an Enterprise offering that adds security, permissions, and support options. Teams should compare the editions and contact sales for Enterprise pricing.

Visit KubeSphere

The facts

Cluster APIKubeSphere
Free planYesYes
Open sourceNot publishedYes
Runs onAPI, Linux, Mac, Self-hosted, WindowsAPI, Linux, Self-hosted, Web
Lowest paid planFree or on requestKubeSphere Backup Basic: $65 a month
Plans published17
MakerNot publishedNot published
Websitecluster-api.sigs.k8s.iokubesphere.io
On kubernetes management platforms#4 of 29#1 of 29

Cluster API: what it does well

  • Free and open source.
  • Supports cluster creation, scaling, upgrades, and destruction.
  • Works across cloud and on-premises environments.
  • Offers clusterctl and Operator management paths.
  • Lists many infrastructure provider environments.

What to know first

  • Requires an existing Kubernetes cluster accessible through kubectl.
  • Does not manage clusters it did not provision.
  • Cannot manage one cluster spanning multiple infrastructure providers.
  • Users manage the control plane.

KubeSphere: what it does well

  • Community Edition is free forever and self-managed
  • Supports multi-tenancy and multi-cluster management
  • Includes Jenkins-based CI/CD workflows
  • Supports online or offline installation

What to know first

  • Enterprise pricing requires contacting sales
  • Enterprise extensions are available by subscription
  • Community Edition is self-managed

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