Ansible - Radically simple configuration-management, application deployment, task-execution, and multi-node orchestration engine
WSUS Offline Update - Using "WSUS Offline Update" (formerly known as "ct offline update" or "DIY...
Jenkins - Jenkins is an open-source continuous integration server with 300+ plugins to support all kinds of software development
WHDownloader - A lightweight and easy to use Downloader which allows you to find and apply the latest Microsoft Windows updates....
Puppet Enterprise - Get started with Puppet Enterprise, or upgrade or expand.
Microsoft Update Catalog - Official Microsoft Update Catalog download site.