Uyuni - A world-class solution for open source infrastructure management tailored for your software-defined infrastructure.
Ansible - Radically simple configuration-management, application deployment, task-execution, and multi-node orchestration engine
SUSE Manager - SUSE Manager is a tool to manage Linux systems. It automates provisioning, patching and configuration for server deployment. Automatically monitors, audits and reports status of your systems.
Chef - Automation for all of your technology. Overcome the complexity and rapidly ship your infrastructure and apps anywhere with automation.
SpaceWalk - Spacewalk is an open source Gnu/Linux systems management solution for RHEL and derivatives such as...
Puppet Enterprise - Get started with Puppet Enterprise, or upgrade or expand.