

LightBulb is described as 'Background application that adjusts screen gamma, making the colors appear warmer at night, reducing strain on your eyes' and is a very popular color temperature tool in the os & utilities category. There are more than 50 alternatives to LightBulb for a variety of platforms, including Windows, Linux, Mac, Android and Wayland apps. The best LightBulb alternative is f.lux, which is free. Other great apps like LightBulb are Redshift, Red Moon, Iris mini and RedshiftGUI.


Twilight Blue Light Filter is an optimal night filter that can be created to provide a warm light night screen for your eye care.



Experience a more comfortable screen during nighttime use with LumiGuard: Night Mode. Adjust your display's color temperature and brightness to reduce eye discomfort in low-light environments.



Trouble Sleeping? Device screen too bright even on the lowest brightness setting? Want to give your phone a warm look instead of that eye straining blue gaze you see at night? EasyEyes is the solution. By changing your device's color temperature, EasyEyes reduces eye strain...





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.

FireLux is the most popular Web-based alternative to LightBulb.
NightTone makes your screen more comfortable, enjoyable and healthier by shifting the colors of your display to a warmer, eye-friendly palette. It makes you sleep and feel better.


Velis Auto Brightness is a pretty powerfully adjustable auto-brightness app for your android device.




Kumux is a dynamic circadian color scheme for code editors and other software. It adjust color temperature, color hues, contrast and brightness levels throughout the day based on the position of the sun.

Kumux is the most popular SaaS alternative to LightBulb.
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.


