OpenShift is a Platform as a Service (PaaS) cloud application platform built on Red Hat technologies that allows developers to easily deploy and scale applications in a cloud environment. It provides developers flexibility to work how they want through options like a web console, command line tools, and IDE integrations while choosing from various programming languages, frameworks, and middleware. OpenShift handles automated application builds, testing, deployment and scaling across its infrastructure which includes nodes managed by brokers that run on instances of Red Hat Enterprise Linux.