iBrightness Tray Alternatives
iBrightness Tray is described as 'Little bit of a swiss army knife display tool as adjusting the brightness of your screen is just one of three main functions it has. The other two are turning on your screensaver at the click of a button and also the ability to turn off the display' and is a Screen Dimmer in the system & hardware category. There are more than 50 alternatives to iBrightness Tray for a variety of platforms, including Windows, Mac, Linux, Wayland and Android apps. The best iBrightness Tray alternative is f.lux, which is free. Other great apps like iBrightness Tray are Redshift, Twinkle Tray, Solace and LightBulb.
Alternatives list
Lumen - magic auto brightness based on screen contents. You control Lumen simply by using your brightness keys - it'll automatically learn your preferences.

Monitor Bright reduces with a simple trick the monitor brightness. Useful to use the PC at night without getting blind if the minimum brightness that can be obtained adjusting monitor settings is still too high if compared to ambience brightness. Supports multi monitor systems.


- 50 Away From Keyboard (AFK) alternatives
Away From Keyboard is an app that reduces eye strain with reminders to take a break.
Cost / License
- Paid
- Proprietary
Platforms
- Mac

Small GTK GUI application to set contrast, brightness and gamma for wayland compositors which support the wlr-gamma-control protocol extension. Basically this is the example from here: https://github.com/swaywm/wlroots/blob/master/examples/gamma-control.
Cost / License
- Free
- Open Source (MIT)
Platforms
- Linux
- Wayland

Focus view, extra brightness, ambient glow, and keep awake — all from your menu bar. JoyScreen transforms how you use your Mac.
Cost / License
- Paid
- Proprietary
Platforms
- Mac

























