CareUEyes - CareUEyes is an eye protection software for windows that comes with blue light filter, screen dimmer, and break reminder
Monitorian - Monitorian is a Windows desktop tool to adjust the brightness of multiple monitors with ease.
Dimmer - A very small and free utility for Windows to reduce brightness on LCD/TFT screens.
Twinkle Tray - Easily manage the brightness of your monitors in Windows from the system tray.
Red Moon - Screen filter for night time phone use.
Eye Saver - Free software for eye protection and more!