A fast window switcher for Windows using the keyboard.
https://www.ghacks.net/2017/09/17/fastwindowswitcher-alt-tab-alternative-for-windows/
https://github.com/JochenBaier/fastwindowswitcher
origin - http://www.pipiscrew.com/?p=9958 fastwindowswitcher-alt-tab-alternative-for-windows