Ansible - Radically simple configuration-management, application deployment, task-execution, and multi-node orchestration engine
Chocolatey - The sane way to manage software on Windows.
Chef - Automation for all of your technology. Overcome the complexity and rapidly ship your infrastructure and apps anywhere with automation.
WAPT Community - Deploy your software and configurations, perform an inventory of your machines in real time, control Windows Updates and benefit from customized reporting of your IT assets
Puppet Enterprise - Get started with Puppet Enterprise, or upgrade or expand.
Just Install - just-install - The stupid package installer for Windows.