f.lux Alternatives for Linux

f.lux is not available for Linux but there are plenty of alternatives that runs on Linux with similar functionality. The best Linux alternative is Redshift, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to f.lux and 16 are available for Linux so hopefully you can find a suitable replacement. Other interesting Linux alternatives to f.lux are RedshiftGUI, Iris mini, Iris and gammastep.

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Get a badge for your sitef.lux alternatives page was last updated Apr 30, 2026

Redshift
258 likes
Redshift adjusts the color temperature according to the position of the sun. A different color temperature is set during night and daytime.
50 Redshift alternatives
Cost / License
Free
Open Source
Application typeApplication types
Color Temperature
Screen Dimmer
Origin
Denmark
EU
Alerts
Discontinued
Platforms
Mac
Windows
Linux
BSD
Denmark
EU
Good alternative?Is Redshift a good alternative to f.lux?

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9comments
Discontinued
No longer working on modern systems, and no longer updated.
Redshift vs f.lux Comments
Top Positive Comment by danhaiduc · Jul 4, 2018
This is open source, while f.lux wants you to download a binary and run it constantly on your system.
Top Negative Comment by Guest · Oct 7, 2017
It doesnt't work sometimes...
Negative comment by Guest · Jan 25, 2020
It's just not as good as f.lux is.
3 of 9 comments
Redshift is Free and Open Sourcef.lux is Free and Proprietary
RedshiftGUI
92 likes
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 (due to natural lighting) and sets a warmer temperature at night (due to indoor lighting). Similar to f.
47 RedshiftGUI alternatives
Cost / License
Free
Open Source
Application type
Color Temperature
Origin
China
Alerts
Discontinued
Platforms
Windows
Linux
China
Good alternative?Is RedshiftGUI a good alternative to f.lux?

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1comment
Discontinued
The project seems to be no longer developed. Last version, 0.2.4, released in August 2014, can be still downloaded from GitHub.
RedshiftGUI vs f.lux Comments
Positive comment by Guest · Jan 21, 2018
it is much easier to install and just works right away!
1 of 1 comments
RedshiftGUI is Free and Open Sourcef.lux is Free and Proprietary
Iris mini
19 likes
Enjoy free cross-platform blue light reduction and PWM flicker-free brightness control with Iris mini. Minimalistic design, portable, and automatic for no-hassle, eyestrain-relief across all devices. Simply double-click to activate, perfect for every lighting condition.
54 Iris mini alternatives
Cost / License
Freemium
Proprietary
Application type
Color Temperature
Origin
Bulgaria
EU
Platforms
Mac
Windows
Linux
Bulgaria
EU
Good alternative?Is Iris mini a good alternative to f.lux?

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1comment
Iris mini vs f.lux Comments
Positive comment by Guest · Jan 24, 2017
Very minimalistic and lightweight. Doesn't affect games (i.e. microstuttering) the way f.lux does (if you set it to Paused mode).
1 of 1 comments
Iris mini is Freemium and Proprietaryf.lux is Free and Proprietary
Ad
Iris
Reduces blue light and flicker for eye comfort, supports auto color temperature adjustment based on time, customizable modes, overlays, color and font options, docking station support, and accessible part-screen filtering for div...

https://iristech.co
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Iris
32 likes
Reduces blue light and flicker for eye comfort, supports auto color temperature adjustment based on time, customizable modes, overlays, color and font options, docking station support, and accessible part-screen filtering for diverse needs.
155 Iris alternatives
Cost / License
Freemium
Proprietary
Application typeApplication types
Color Temperature
Screen Dimmer
Origin
Bulgaria
EU
Platforms
Mac
Windows
Linux
Bulgaria
EU
Good alternative?Is Iris a good alternative to f.lux?

|
2comments
Iris vs f.lux Comments
Positive comment by Guest · Nov 10, 2015
Iris has all the functionality of f.lux and much more
Positive comment by Guest · Apr 13, 2016
Intuitive to use and easy to install
2 of 2 comments
Iris is Freemium and Proprietaryf.lux is Free and Proprietary
G
G
gammastep
2 likes
Adjust the color temperature of your screen according to your surroundings. This may help your eyes hurt less if you are working in front of the screen at night.
Cost / License
Free
Open Source (GPL-3.0)
Application type
Color Temperature
Origin
United States
Platforms
Linux
Wayland
G
Good alternative?Is gammastep a good alternative to f.lux?
QRedshift
8 likes
It makes the color of your computer's display adapt to the time of day, warm at night and like sunlight during the day.
Cost / License
Free
Open Source (Apache-2.0)
Application type
Color Temperature
Origin
Brazil
Platforms
Linux
Cinnamon
Brazil
Good alternative?Is QRedshift a good alternative to f.lux?
Gammy
23 likes
Adaptive screen brightness and temperature for Windows and Linux.
56 Gammy alternatives
Cost / License
Free
Open Source (GPL-3.0)
Application typeApplication types
Color Temperature
Screen Dimmer
Origin
International
Alerts
Discontinued
Platforms
Windows
Linux
Global
Good alternative?Is Gammy a good alternative to f.lux?
W
W
wlsunset
2 likes
Day/night gamma adjustments for Wayland compositors supporting wlr-gamma-control
Cost / License
Free
Open Source (MIT)
Origin
Denmark
EU
Platforms
Linux
Wayland
W
Good alternative?Is wlsunset a good alternative to f.lux?
B
B
Blueshift
3 likes
Inspired by Redshift, Blueshift adjusts the colour temperature of your monitor according to brightness outside to reduce eye strain and make it easier to fall asleep when going to bed.
Cost / License
Free
Open Source
Application type
Color Temperature
Alerts
Discontinued
Platforms
Linux
B
Good alternative?Is Blueshift a good alternative to f.lux?
W
W
wl-gammactl
Like
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.
Cost / License
Free
Open Source (MIT)
Platforms
Linux
Wayland
W
Good alternative?Is wl-gammactl a good alternative to f.lux?
Calise
3 likes
A Python program that calculates ambient brightness and sets screen's correct backlight using a camera.
Cost / License
Free
Open Source (GPL-3.0)
Application type
Screen Dimmer
Platforms
Linux
Good alternative?Is Calise a good alternative to f.lux?
W
W
waysn
2 likes
gamma adjustments for Wayland.
Cost / License
Free
Open Source (MIT)
Platforms
Linux
Wayland
Rust
W
Good alternative?Is waysn a good alternative to f.lux?

12 of 16 f.lux alternatives

f.lux Alternatives for Linux

Alternatives list

Redshift

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Redshift vs f.lux Comments

RedshiftGUI

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RedshiftGUI vs f.lux Comments

Iris mini

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Iris mini vs f.lux Comments

Iris

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Iris vs f.lux Comments

gammastep

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QRedshift

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Gammy

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wlsunset

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Blueshift

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wl-gammactl

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Calise

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waysn

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