Is kind free?
Yes, kind (Kubernetes IN Docker) is completely free and open source. It's a CNCF project designed for testing Kubernetes itself and running local clusters.
What is kind?
kind runs Kubernetes clusters inside Docker containers. It's perfect for CI testing, local development, and learning Kubernetes without the overhead of virtual machines.
kind vs Minikube?
kind uses Docker containers and is faster to start. Minikube can use VMs or Docker and offers more Kubernetes add-ons. kind is simpler; Minikube is more feature-complete.