f.lux
Free
f.lux is a cross-platform computer program that adjusts a display's color temperature according to location and time of day.
Nocturne
Open Source
Nocturne is a small Mac OS X program which can change your display colors in various ways to give you a color scheme more suited to low light conditions (such…
Iris
Freemium
Iris is a software for eye protection, health and productivity.
