Setting the color temp of the screen really only requires about 40 lines of C (80 or so all inclusive). sct is a crude utility which does roughly that. I’d say exactly that, but some of the calculations aren’t actually exact.
CareUEyes Alternatives
CareUEyes is described as 'Very simple but useful program when it is about your eye care. The program comes with a very simple and clean interface and needs to technical knowledge. Even a novice computer user can download and use it easily' and is a color temperature tool in the sport & health category. There are more than 50 alternatives to CareUEyes for a variety of platforms, including Windows, Mac, Linux, Android and Wayland apps. The best CareUEyes alternative is f.lux, which is free. Other great apps like CareUEyes are Redshift, LightBulb, Red Moon and RedshiftGUI.
Alternatives list
- 50 SCT - Set Color Temperature alternatives
Night Screen is created for those people who spend a lot of time at night working.
Limit your exposure to energy-efficient lighting before bed. In addition to the LED screens in your electronics, energy-efficient lighting emits a lot of blue light.


+1
Nocturne is simple app for switching a computer to night vision mode. It has a few tricks up its sleeve: color correction, window shadow toggling, and background removal.
Cost / License
- Free
- Open Source
Alerts
- Discontinued
Platforms
- Mac

iBrightness Tray is a 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...

- 49 Shady alternatives
Shady puts a shade over your screen to help soothe your tired or dazzled eyes. You can use it to reduce your Mac's brightness far below the usual minimum, without any risk of damage to your screen.
Cost / License
- Free
- Open Source
Platforms
- Mac

Cost / License
- Freemium
- Proprietary
Platforms
- Android
Synchronize your external monitor brightness with built-in display. Application reads current brightness of your built-in display and passes it to external monitors via DDC interface. You can adjust brightness by menu in system status bar.
Cost / License
- Free
- Open Source
Platforms
- Mac
A Python program that calculates ambient brightness and sets screen's correct backlight using a camera.

Brightness Controller easily allows windows users to set the brightness level of your LCD screen (It is very useful when your screen doesn't allow settings to be remembered without having to push many buttons on your screen!).
Cost / License
- Free
- Proprietary
Alerts
- Discontinued
Platforms
- Windows

Stop burning your eyes! myPoint Shade is caring for your eyes' comfort.
If you work in a dark room or struggle with eye strain and headache, myPoint will tune up your displays - this way it will care for your health and comfort.
myPoint allows you to adjust the brightness o.


+2
Lumen - magic auto brightness based on screen contents. You control Lumen simply by using your brightness keys - it'll automatically learn your preferences.

- 51 SunshinePal alternatives
SunshinePal is your daily sunlight companion designed to help you track your exposure, set healthy goals, and reconnect with nature for better sleep and mood.
Cost / License
- Freemium (Pay once)
- Proprietary
Platforms
- iPhone
- Apple Watch



SunshinePal is the most popular iPhone alternative to CareUEyes.
- SunshinePal is Freemium and Proprietary
























