Extinguish turns off the screen using Android’s hidden function. It truly turns off the device’s screen rather than displaying a black overlay, making it suitable for various types of screens, including LCD and OLED.
FakeStandby
Most smartphones these days have long-living batteries, but who doesn't want their phone to last for just an hour more?
Extinguish
Wizmo is a multi-purpose, miscellaneous Windows function, "catch all" with a growing list of uncommon but useful features and capabilities.
This utility is used to turn off monitor for PC, notebook, or netbook which is have monitor. Just run the program, then your monitor will be turned off. Actually this program used for notebook or netbook which is used for conserve the battery.
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MonitorOff is a simple utility that can turn off a monitor on command using the Windows API. It does one thing and does it well, never runs in the background and no configuration is needed. An ideal utility for saving power when standby is not necessary.
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Very small and simple utility to turn off PC or Notebook monitor without waiting. Very useful to save battery life and/or energy consumption.
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Turn Off the monitor - for occasions you wish to save laptop battery while still running a task, listening to music etc...
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MonitorES is a small windows utility that helps you to turnoff monitor display when you lock down your machine. Also when you lock your machine, it will pause all your running media programs & set your IM status message to "Away" / Custom message(via options) and...
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Toggle your second monitor on/off instantly with a global hotkey. Perfect for gaming focus mode or quick workspace switching.
Display power off utility. Allows to power off desktop/notebook display and optionally lock workstation. Useful for keeping display's USB hub active while display is in power save mode.
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ScreenOff is a freeware that lets you turn off the display on your Windows laptop monitor screen in a click, without putting it to Sleep. Turn it back on by moving the mouse.
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Sordum Monitor off Software is an Utility to Switch Off your Desktop or Laptop Monitor with single Mouse click or by pressing a Keyboard key combination.
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There are times when you just want to listen to some music on your notebook/laptop and want the display (LCD) of your notebook to remain off while the lid is still open, while there are small amount of notebook manufacturer’s who provide this simple option of turning off the...
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A Windows utility that lets you turn off the monitor power instantly.
Monitor Off Utility 
A simple, light weight, easy to use power management applet that switches off your computer's display screen. with just a single click, it's the quickest way to turn off the display.
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AceScreen is an easy way to keep the screen of your Android device on. AceScreen prevents the Android device from going to sleep based on the current needs of the user. Simple and intuitive interface. Privacy friendly. Offered in over 50 languages.
KeepOn
It might seem hard to believe, but Apple does not include a simple, blank screen saver with macOS. There are several workarounds floating around the Internet, from configuring the included Classic photo screen saver to displaying a blank black image to relying on Energy Saver to...
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