Helm is one of the predominant package managers for kubernetes which is used for installing applications on the cluster.
A Helm Chart is a package that defines all the kubernetes resources necessary for deploying an application to kubernetes.
Helmfile is a declarative configuration for deploying distributions of helm charts
Kops ships with geodesic and is the easiest way to get a production grade Kubernetes cluster up and running on AWS.
Helm is the only available package manager for Kubernetes.