An application that displays a full-screen window in pure black for the Windows operating system. Exit can be initiated by simply pressing any button.

Is this the simplest Progressive Web App ever? It's just a black browser tab / window / screen, but it can help you focus, rest your eyes, manage screens, test PWAs, or serve as a presentation background or privacy screen. Really?

Universal graphics switcher for Kali Linux to fix Black Screen and TTY errors on hybrid systems and portable drives.

Black Screen Helper

Take Screen Shot With Black Screen App !

Mouse activated backup for when the screen dies