Red Hat OpenShift

OpenShift (from the open-source leader, Red Hat) is the free Platform-as-a-Service solution built on popular open source technologies that you know and trust. OpenShift allows developers to use their IDE, command-line, or browser to deploy and run applications in the cloud. OpenShift supports multiple languages and frameworks as well as auto-scaling, monitoring and many other awesome features that make your life easier. With OpenShift, you can just focus on your code. Code On.

See the reference side-by-side comparison Platform as a service (PAAS) for cloud applications (Scalable cluster of services)