WPD - The real privacy dashboard for Windows.
privacy.sexy - Web tool to generate scripts for enforcing privacy & security best-practices such as stopping data collection of Windows and different softwares on it.
W10Privacy - Very advanced tool to control Windows 10 privacy.
WindowsSpyBlocker - Block spying and tracking on Windows
ShutUp10 - Free antispy tool for Windows 10
Git - Git is a free and open source version control system designed to handle everything from small to very large projects with speed and efficiency. It is easy to learn and lightweight with lighting fast performance that outclasses competitors.