Dimmer

A very small and free utility for Windows to reduce brightness on LCD/TFT screens. A must if you work on your computer at night with very low ambient light.

Free Windows

PangoBright

Screen dimming software that allows you to control the brightness of your screens as well as external monitors.

Free Windows

Nocturne

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.

Free Open Source Mac OS X

Desktop Dimmer

Enables darker-than-dark Desktop dimming for your displays. - Small resource footprint, minimal User Interface. - Settings are persisted and restored per-Display...

Free Open Source Mac OS X Windows Linux

Iris mini

Iris mini is free cross-platform blue light reduction and PWM flicker free brightness software.

Free Mac OS X Windows Linux

Screen Filter

Applies a shade that acts as a dimmer to ensure your eyes don't hurt. Far more powerful than Android's built-in brightness setting. Great for low-light gaming...

Free Android Android Tablet

EasyEyez

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...

Freemium Android

Lux Auto Brightness

Lux Automatically Adjusts Your Screen Brightness

Freemium Android

Shady

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...

Free Mac OS X

Eye Saver

Free software for eye protection and more! It protects your eyes while you are working on the computer. Eye Saver has three main functions: blue light filter;...

Free Windows

GoodNight

GoodNight is an IOS app developped by @anthonya1999 (Github).It allows you to adjust the screen temperature, brightness, and color. GoodNight isn't downloadable...

Free iPhone iPad

Lumen

Menu bar application for macOS to auto-adjust screen brightness based on your screen contents.

Free Open Source Mac OS X GitHub

Windows Night Light

Your display emits blue light—the kind of light you see during the day—which can keep you up at night.

Commercial Windows

Calise

A programs which adjust screen brightness due to light detectedby webcam

Free Open Source Linux

DimScreen

Form 1 Hour Software by skrommel, it can dim the screen by applying a transparent gray layer on top of your opened applications

Free Windows

Brisync

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...

Free Open Source Mac OS X

Blue Light Filter for Eye Care

Blue Light Filter for Eye Care is an easy-to-use and useful app to protect your eyes while using Android devices. Blue light emitted from your smartphone or tablet...

Free Android Android Tablet

Night Screen / Blackbulb

Prevent your eyes from being hurt by screen light on Android. Adjust brithness and screen color to prevent your eyes from being hurt by screen light.

Free Open Source Android Android Tablet F-Droid

PC Sun Screen

This advanced Windows app allows you to alter the screen shading according to the time of day, which is great if you work outside the normal hours, or if you need a lift...

Commercial Windows

RedshiftGUI by IrisTech

Redshift GUI changes the color temperature of your monitor to better match that of your surrounding.

Free Windows