Dimmer - A very small and free utility for Windows to reduce brightness on LCD/TFT screens.
CareUEyes - CareUEyes is an eye protection software for windows that comes with blue light filter, screen dimmer, and break reminder
Red Moon - Screen filter for night time phone use.
myPoint Shade - Stop burning your eyes! myPoint Shade is caring for your eyes' comfort.
CF.lumen - CF.lumen is a powerful app for Android that adjusts the colors by detecting the position of the sun or according to custom settings.
Night Shift: Blue Light Filter - Night Shift: Blue Light Filter is an Android app that is perfect for anyone looking for a way to use their mobile phones for long hours without any damage to their eyes.