LightBulb 2.3.3

LightBulb is an application that reduces eyestrain produced by staring at a computer screen when working late hours. As the day goes on, it continuously adjusts gamma, transitioning the display color temperature from cold blue in the afternoon to warm yellow during the night. Its primary objective is to match the color of the screen to the light sources of your surrounding environment - typically, sunlight during the day and artificial light during the night. LightBulb has minimal impact on performance and offers many customization options.

LightBulb key features:
Extensive customization options
Automatically calculate sunrise & sunset times based on configured location
Manually set desired sunrise & sunset times
Smooth gamma transitions that give time for eyes to adjust
Avoid changing gamma in games or other full-screen applications
Application whitelist for color-sensitive applications
Global hotkey to toggle the application from anywhere
Absolutely minimal impact on performance
Works without internet connection

Note: LightBulb requires Microsoft .NET Core Runtime and .NET Core Desktop Runtime available here.

LightBulb Screenshot

LightBulb Interface

Latest version: 2.3.3 (15 Jun 2021)
License: Open Source
System requirements: Windows 7/8/10
Download: LightBulb-Installer.exe (3.7 MB)
Download: LightBulb-Portable.zip (3.2 MB)

See also:
SunsetScreen
f.lux
Eye Saver
EasyEyes

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