CloudStack is described as 'Apache's CloudStack is a Project backed by Citrix and designed to be a direct competitor to OpenStack. It is designed to deploy and manage large networks of virtual machines, as a highly available, highly scalable Infrastructure as a Service (IaaS) cloud computing platform' and is a Cloud Hosting service in the business & commerce category. There are more than 25 alternatives to CloudStack for a variety of platforms, including Online / Web-based, Linux, Windows, Self-Hosted solutions and Mac. The best alternative is OpenShift, which is both free and Open Source. Other great apps like CloudStack are OpenStack, Microsoft Azure, Google App Engine and Amazon Elastic Compute Cloud.
Google App Engine is a free* platform for developing and hosting web applications in Google-managed data centers. App Engine offers fast development and deployment; simple administration, with no need to worry about hardware, patches or backups; and effortless scalability.
Rackspace US, Inc. (NYSE: RAX) is an IT hosting company based in San Antonio, Texas. The company also has offices in Australia, the United Kingdom and The Netherlands and data centers operating in Texas, Illinois, Virginia, the United Kingdom, and Hong Kong in late 2008.
CloudVPS is the number one cloud provider in the Netherlands. Whether you need a single machine or a complex load-balanced cluster, our flexible cloud lets you create the Virtual Private Servers (VPSes) and Cloud Storage you need quickly and securely.