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Cluster API vs KubeSphere

The same facts for both, read from GitHub every night, and the relation a person reviewed.

Cluster APIKubeSphere
LanguageGoGo
LicenceApache-2.0Other
Stars4.3k17k
Latestv1.14.3v4.1.3
Last push2026-10-162026-07-15
Release cadenceabout 3 days between releasesabout 25 days between releases
Active contributors48 commit authors on the default branch in the last 90 days0 commit authors on the default branch in the last 90 days
Flagsnonenone

How they relate

  • Both replace Rancher. Alternatives to Rancher →

    PartialCluster APIDeclarative cluster provisioning and lifecycle through the Kubernetes API, with no UI or user management.

    Full replacementKubeSphereMulti-cluster management, multi-tenancy and RBAC, with built-in DevOps pipelines and monitoring.