Alternatives to Blackout for all platforms with any license

f.lux

Software that makes the color of your computer's display adapt to the time of day, warm at night and like sunlight during the day.

Free Mac Windows Linux Android iPhone ... Android Tablet iPad
Blue light filter Night mode/Dark Theme Scheduling Temperature Monitoring ... Time Scheduling Add a feature

835 Like
Redshift

Redshift adjusts the color temperature according to the position of the sun. A different color temperature is set during night and daytime. During twilight and early...

Free Open Source Windows Linux BSD
Color correction Color Temperature Ajustment Command line interface Blue light filter ... Debian package compatible Fedora Repository KDE Widget Night mode/Dark Theme System management Add a feature

217 Like
RedshiftGUI

RedshiftGUI changes the color temperature of your monitor to better match that of your surrounding. This means that it sets a cooler color temperature during the daytime...
- Discontinued The project seems to be no longer developed. Last version, 0.2.4, released in August 2014, can be still downloaded from GitHub.
Free Open Source Windows Linux
No features added Add a feature

89 Like
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.
- Discontinued The program is no longer updated. Latest version, 1.0, released in March 2007, can be still downloaded from the official website.
Free Windows
Automatic brightness dimming Portable Add a feature

19 Like
PangoBright

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

Free Windows
Support for Multiple Monitors Portable Add a feature

12 Like
G.lux

G.lux is an unofficial variation of F.lux. G.lux is an app that automatically changes the colour temperature of your browser as the sun goes down. Monitors are typically...

Free Mac Windows Linux Chrome OS Chrome
Google Chrome Extensions Night mode/Dark Theme Add a feature

24 Like
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
Dimmer Add a feature

7 Like
iBrightness Tray

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...
- Discontinued The program is no longer updated. Last version, 1.0, released in 2013, can be still downloaded from the official website.
Free Windows
No features added Add a feature

6 Like
Iris

Iris is software which makes monitors healthy for the eyes. With iris you can reduce the blue light emitted from your screen for better sleep, reduce the brightness of...

Freemium Mac Windows Linux
Built-in timer Automatic brightness dimming Blue light filter Night mode/Dark Theme Add a feature

27 Like
Calise

A programs which adjust screen brightness due to light detectedby webcam

Free Open Source Linux
No features added Add a feature

3 Like
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.
- Discontinued The project has been abandoned. Last version, 2.0.0, released in September 2009, can be still downloaded from Google Code Hosting
Free Open Source Mac
Color correction Add a feature

10 Like
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
No features added Add a feature

5 Like
neyetLight

NeyetLight is kind to your eyes! NeyetLight (pronounced like nightlight) changes the color and brightness of your Android device's (phone, tablet or otherwise)...

Commercial Android
No features added Add a feature

3 Like
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
No features added Add a feature

1 Like