k9s
K9s is an open-source project that provides a terminal UI for navigating, observing, and managing Kubernetes clusters with ease. It operates across platforms including Linux, macOS, and Windows and supports Kubernetes versions 1.21.3 and above. K9s can be installed via Homebrew, Chocolatey, Docker, and other methods. Its features include real-time resource monitoring, context switching, and node shell access, without corporate backing and remaining community-driven and free.