Ansible - Radically simple configuration-management, application deployment, task-execution, and multi-node orchestration engine
Chocolatey - The sane way to manage software on Windows.
Salt - Fast, scalable and flexible software for data center automation
Scoop - A command-line installer for Windows
Puppet Enterprise - Get started with Puppet Enterprise, or upgrade or expand.
Ninite - Ninite is the easiest way to install software.