What are some alternatives?
When comparing AWS CloudFormation and OpenShift, you can also consider the following products
Codeship - Codeship is a fast and secure hosted Continuous Delivery platform that scales with your needs.
Google App Engine - A powerful platform to build web and mobile apps that scale automatically.
Bamboo - Bamboo is a continuous integration and deployment tool that ties automated builds, tests and releases together in a single workflow.
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.
Octopus Deploy - Octopus is a friendly deployment automation tool for .NET developers.
Microsoft Azure - Windows Azure and SQL Azure enable you to build, host and scale applications in Microsoft datacenters.