What are some alternatives?
When comparing AWS CloudFormation and Cfengine, you can also consider the following products
Codeship - Codeship is a fast and secure hosted Continuous Delivery platform that scales with your needs.
Ansible - Radically simple configuration-management, application deployment, task-execution, and multi-node orchestration engine
Bamboo - Bamboo is a continuous integration and deployment tool that ties automated builds, tests and releases together in a single workflow.
Puppet - Get started with Puppet Enterprise, or upgrade or expand.
Octopus Deploy - Octopus is a friendly deployment automation tool for .NET developers.
Chef - Automation for all of your technology. Overcome the complexity and rapidly ship your infrastructure and apps anywhere with automation.