[freedomben]

Quay also integrates very well with OpenShift. It works fine stand-alone too, but if you're already using OpenShift it's worth looking into.

[oso2k]

DISCLAIMER: I work for Red Hat Consulting focusing on OpenShift.

In fact, a version without the Container Scanning bits and some of the user management is the default internal registry in OpenShift 4.x.

[polynomial]

Quay supports Podman & rkt, not just Docker images.