What are some alternatives?
When comparing f.lux and Desktop Dimmer, you can also consider the following products
LightBulb - Background application that adjusts screen gamma, making the colors appear warmer at night...
Cygwin - Cygwin is a set of tools that provide Linux and POSIX functionality to Windows.
Redshift Color Temperature Adjuster - Redshift adjusts the color temperature according to the position of the sun.
SunsetScreen - Whether you're a morning lark or night owl, SunsetScreen allows you to set the time of the...
ImageOptim - Faster web pages and apps.
RedshiftGUI - RedshiftGUI changes the color temperature of your monitor to better match that of your surrounding.