
Desktop Clients
k9s
K9s provides a terminal UI to interact with your Kubernetes clusters. The aim of this project is to make it easier to navigate, observe and manage your applications in the wild.
https://github.com/derailed/k9sFeatures
Alternatives to k9s:

Aptakube
A modern, lightweight and multi-cluster desktop client for Kubernetes. Connect to multiple clusters simultaneously, as if it was just one big cluster. View, edit and manage all your resources from your desktop.

Kubernetic
Kubernetic is a brand new Desktop Client for Kubernetes that lets developers and ops manage their Kubernetes cluster(s) through a UI interface in a very simple way.

Lens
Lens is the only IDE you'll ever need to take control of your Kubernetes clusters, and any applications.