Ansible - Radically simple configuration-management, application deployment, task-execution, and multi-node orchestration engine
Mist - Mist is a Multi-Cloud Management Platform - Streamline operations + Optimize costs across public & private clouds, hypervisors & containers.
Salt - Fast, scalable and flexible software for data center automation
Morpheus - Morpheus is integration software designed to help major cloud infrastructure work in harmony. For example, if a company has assets on both Google's and Amazon's cloud services, Morpheus helps bridge the gap to improve productivity.
Puppet Enterprise - Get started with Puppet Enterprise, or upgrade or expand.
Scalr - Scalr is cloud management software for public & private infrastructure