Karmada vs KubeStellar

Karmada manages cloud-native applications across multiple Kubernetes clusters and clouds without requiring changes to the applications. It supports public and private cloud, on-premises, edge, and self-built environments that meet Kubernetes specifications. Cluster connections can use Push mode through a Kubernetes API server or Pull mode through an in-cluster agent. Scheduling policies cover cluster affinity, taints and tolerations, topology spread, and replicated or divided placement. OverridePolicy allows per-cluster changes to images, arguments, commands, and plain-text configuration. Karmada can move replicas after a cluster failure, including migration that avoids service replicas dropping to zero. Through karmada-apiserver, teams can create, update, delete, and query resources across member clusters. Its components export Prometheus metrics; integrations described include Submariner networking and ErieCanal service governance. Installation options include CLI tools, Helm, an operator, binaries, or source. The CLI initialization requires escalated privileges to store shared configuration under /etc/karmada by default. Karmada is open source and free, with customer-managed control plane; it manages clusters but does not provision them.

KubeStellar Console is a free dashboard for managing workloads and operations across Kubernetes clusters. It shows real-time cluster health, cross-cluster resources, workloads, and mission progress, with cluster groups and customizable layouts. Clusters can be discovered through a user’s kubeconfig; examples include OpenShift, EKS, GKE, kind, and k3s. AI Missions accept natural-language requests to investigate issues, troubleshoot, repair, upgrade, or deploy across clusters. Users can approve or reject suggested actions. The Console also supports cluster provisioning and policy enforcement, and its security dashboard includes CIS, NSA, and PCI compliance scoring, RBAC analysis, and privileged-container detection. Documentation lists 20+ dashboards, 110+ card types, and 93+ stats blocks; custom cards can be built with AI, JSON definitions, or TSX code. The marketplace offers community dashboards, card presets, and themes. Licensed under Apache 2.0, it runs on Linux and macOS and can be self-hosted or used on the web. AI Missions require an optional Anthropic API key.