Coffee allows you to keep the display awake without having to change the device settings. It can be toggled at various places:
Cost / License
- Free
- Open Source (Apache-2.0)
Platforms
- Android
- F-Droid

Onliner is described as 'Invisible, smart mouse movements prevent your Mac from sleeping and keep the active status in Slack, Teams, and more' and is a prevent sleep mode app in the os & utilities category. There are more than 25 alternatives to Onliner for a variety of platforms, including Mac, Windows, Android, Linux and Flathub apps. The best Onliner alternative is Amphetamine, which is free. Other great apps like Onliner are Green Dotter, Caffeine for Windows, Stimulator and Trypa.
Coffee allows you to keep the display awake without having to change the device settings. It can be toggled at various places:

Prevent your Mac from falling asleep, dimming your screen or starting the screensaver. Theine keeps macOS awake just like caffeine does with you.




Keep your screen on when your device is running your GPS application, favorite remote control, playing a movie or slideshow, etc... Perfect to keep your screen on without dimming for application development. Your screen will never go back to sleep until you want it to...



Wakey is my version of application which keeps your PC awake. It was inspired by Awake utility which was a part of Microsoft's PowerToys.







Never show up as idle on Slack, Microsoft Teams, Skype, etc. Slacker moves your mouse pointer for you whenever you are idle - the result is that you always show as active on any corporate/office instant messaging tools running on your work computer.

ScreenWakeUp is a free, browser-based tool that keeps your screen from sleeping or locking. It uses the modern Screen Wake Lock API — nothing to install, no admin rights, no account. Open it in any browser on Windows, macOS, Linux, ChromeOS, Android or iPhone and click one...

Provides Windows tray-based management for staying awake, preventing sleep, keeping displays on, or changing power plans. Includes session timer, hotkeys, and crash recovery with Pro-only smart triggers, stats export, Drive Alive for USB devices, and minimal resource use.

