What are some alternatives?
When comparing Apache CloudStack and Google App Engine, you can also consider the following products
OpenNebula - The Simplest Cloud Management Experience
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.
OpenStack - OpenStack software controls large pools of compute, storage, and networking resources throughout a datacenter, managed through a dashboard or via the OpenStack API.
Dokku - Docker powered mini-Heroku in around 100 lines of Bash
LINK Datacenter - LINK Datacenter owns and operates one of the largest data centers in Egypt.
OpenShift - OpenShift gives you all the tools you need to develop, host and scale your apps in the public or private cloud. Get started today.