ShutUp10 - Free antispy tool for Windows 10
W10Privacy - Very advanced tool to control Windows 10 privacy.
WindowsSpyBlocker - Block spying and tracking on Windows
Private WinTen - An open source tool to adjust Windows privacy.
Ashampoo AntiSpy for Windows 10 - Configures Windows 10 to stop sending personal data back to Microsoft.
WinPurify - Tweak Windows OS settings, remove unneeded files and improve your PC's performance.