Travis CI - Focus on writing code. Let Travis CI take care of running your tests and deploying your apps.
Chocolatey - The sane way to manage software on Windows.
Jenkins - Jenkins is an open-source continuous integration server with 300+ plugins to support all kinds of software development
Scoop - A command-line installer for Windows
Chef - Automation for all of your technology. Overcome the complexity and rapidly ship your infrastructure and apps anywhere with automation.
Ninite - Ninite is the easiest way to install software.