kind is a tool for running local Kubernetes clusters using Docker container "nodes". kind was primarily designed for testing Kubernetes itself, but may be used for local development or CI.

func is a Client Library and CLI enabling the development and deployment of Functions.

kompose is a tool to help users who are familiar with docker-compose move to Kubernetes. kompose takes a Docker Compose file and translates it into Kubernetes resources.

kompose is a convenience tool to go from local Docker development to managing your application with Kubernetes. Transformation of the Docker Compose format to Kubernetes resources manifest may not be exact, but it helps tremendously when first deploying an application on Kubernetes.

https://github.com/kubernetes/kompose
http://kompose.io/

konf is a lightweight kubeconfig manager. With konf you can use different kubeconfigs at the same time. And because it does not need subshells, konf is blazing fast!

A policy management tool for interacting with Gatekeeper

Kor is a tool to discover unused Kubernetes resources. Currently, Kor can identify and list unused:
- ConfigMaps
- Secrets
- Services
- ServiceAccounts
- Deployments
- StatefulSets
- Roles
- HPAs
- PVCs
- Ingresses
- PDBs

A tool to setup Prometheus, Thanos and friends across multiple clusters easily for scale

A top-like tool for your Kubernetes clusters

Easily check your cluster for use of deprecated APIs

karmor is a client tool to help manage KubeArmor, which is a Cloud-native
Runtime Security Enforcement System. Workload hardening and implementing
least-permissive policies made easy.