Jenkins - Jenkins is an open-source continuous integration server with 300+ plugins to support all kinds of software development
Chocolatey - The sane way to manage software on Windows.
Travis CI - Focus on writing code. Let Travis CI take care of running your tests and deploying your apps.
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
CircleCI - CircleCI gives web developers powerful Continuous Integration and Deployment with easy setup and maintenance.
Just Install - just-install - The stupid package installer for Windows.