Security
Kubernetes Goat is designed to be an intentionally vulnerable cluster environment to learn and practice Kubernetes security.
https://madhuakula.com/kubernetes-goat/
rback - RBAC in Kubernetes visualizer
https://github.com/team-soteria/rback
krane - Kubernetes RBAC static analysis and visualization tool
https://github.com/appvia/krane
Kubernetes network policy recipes
https://github.com/ahmetb/kubernetes-network-policy-recipes
Tools
Lens - The Kubernetes IDE extension that displays Kubernetes resources and their relations as a force graph.
https://github.com/nevalla/lens-resource-map-extension
kubectx - Faster way to switch between clusters and namespace in kubectl
https://github.com/ahmetb/kubectx