Alternatives to Twilight 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.
- Well It has a very nice pause feature! Very easy to use, and 1 of the best apps I have ever seen like this! Guest • Nov 2017 • 1 agrees and 0 disagrees
- works well, nice pause feature, very customizable. Guest • Mar 2017 • 1 agrees and 3 disagrees
Free Mac Windows Linux Android iPhone ... Android Tablet iPad
Blue light filter Night mode/Dark Theme Temperature Monitoring Add a feature

803 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 Blue light filter Color Temperature Ajustment Command line interface ... Debian package compatible Fedora Repository KDE Widget Night mode/Dark Theme Add a feature

201 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

86 Like
LightBulb

Background application that adjusts screen gamma, making the colors appear warmer at night, reducing strain on your eyes.

Free Open Source Windows
Customizable Lightweight Configurable Night mode/Dark Theme ... Portable Automatic brightness dimming Automatic Lighting Control Blue light filter Color correction Optimal performance Add a feature

44 Like
Red Moon

The app is free on F-Droid and on GitHub but you can buy it on the Google Play Store to support the developer. Red Moon is a screen filter app for night time phone...

Free Open Source Android F-Droid
Color correction Add a feature

28 Like
SunsetScreen

Whether you're a morning lark or night owl, SunsetScreen allows you to set the time of the sunset and sunrise, so you can have full control over your sleep cycle.
- You can set the exact time to dim screens, just like Twilight, and it not only adjusts colour but dims screen brightness, too. Two things that the leading competitor, Flux, doesn't do. Guest • Sep 2018
Free Personal Windows
Customizable Support for Keyboard Shortcuts Lightweight Portable ... Temperature Monitoring User-controlled day/night time Add a feature

29 Like
Iris mini

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

Free Mac Windows Linux
No features added Add a feature

12 Like
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 Windows Linux
Automatic brightness dimming Add a feature

11 Like
CF.lumen

CF.lumen - don't let your phone blind you! CF.lumen changes the colors of your Android device's display based on the position of the sun. With the default...
- It seems technically better... it alters display gamma curve instead of just overlaying a semi-transparent filter like most of the others do. Guest • Jun 2016 • 1 agrees and 0 disagrees
Freemium Android Chainfire3D
Location-based Root required Add a feature

7 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 extension Night mode/Dark Theme Add a feature

23 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
No features added Add a feature

6 Like
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
Blue light filter Night mode/Dark Theme Add a feature

3 Like
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...
- it can reduce screen brightness. as far as i know f.lux can not reduce screen brightness. Guest • Nov 2016
Free Mac
No features added Add a feature

5 Like
CareUEyes

CareUEyes is a 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....

Free Windows
Automatic brightness dimming Blue light filter Add a feature

1 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