Freeware container manager

Openshift CRC: Red Hat OpenShift 4 on your laptop CodeReady Containers

https://www.jeffgeerling.com/blog/2019/trying-out-crc-code-ready-containers-run-openshift-4x-locally

https://developers.redhat.com/blog/2019/09/05/red-hat-openshift-4-on-your-laptop-introducing-red-hat-codeready-containers/

OKD (OpenShift Origin) which is the Open Source implementation of Red Hat OpenShift.

https://docs.okd.io/latest/welcome/index.html