What are some alternatives?
When comparing CoreCluster and OpenShift, you can also consider the following products
OpenStack - OpenStack software controls large pools of compute, storage, and networking resources throughout a datacenter, managed through a dashboard or via the OpenStack API.
Google App Engine - A powerful platform to build web and mobile apps that scale automatically.
BHost - BHost is the provider of VPS hosting with unmetered bandwidth.
Heroku - Agile deployment platform for Ruby, Node.js, Clojure, Java, Python, and Scala. Setup takes only minutes and deploys are instant through git. Leave tedious server maintenance to Heroku and focus on your code.
CloudVPS - VPS Hosting in a reliable, scalable and fast cloud | CloudVPS
Microsoft Azure - Windows Azure and SQL Azure enable you to build, host and scale applications in Microsoft datacenters.