Enhancer for YouTube - Tons of features to improve your user experience on YouTube™!
f.lux - f. lux is a piece of software for Windows, Mac, Linux, iOS, and Android that provides a blue light filter over your screen. Research suggests limiting our exposure to blue light in the hours before bedtime can help us fall asleep faster.
ImprovedTube - Allows you to improve and enhance Youtube visually or enable dozens of new features permanently or...
CareUEyes - CareUEyes is an eye protection software for windows that comes with blue light filter, screen dimmer, and break reminder
Magic Actions for YouTube - Magic Actions is an extension that changes the way you’ll watch videos on YouTube.
Dimmer - A very small and free utility for Windows to reduce brightness on LCD/TFT screens.