Ansible - Radically simple configuration-management, application deployment, task-execution, and multi-node orchestration engine
Puppet Enterprise - Get started with Puppet Enterprise, or upgrade or expand.
Jenkins - Jenkins is an open-source continuous integration server with 300+ plugins to support all kinds of software development
SaltStack - SaltStack event-driven automation delivers security, cloud and configuration management for a software-defined world and enterprise complexity and scale.
Salt - Fast, scalable and flexible software for data center automation
Cfengine - CFEngine is a configuration management and automation framework that lets you securely manage your...