JEMS is available from Red Hat through subscriptions that include certified software, support, updates and patches, documentation and multi-year maintenance policies.
Note: I’m starting to hear “cloud services” being called “middleware” again. Cloud computing = middleware as a service (MaaS)? I don’t think it’ll stick. The acronym is pronounced Mass and will just remind the user that when his stuff is in the cloud and he’s given up all that control, he’d better pray.