Mac OS X Softwares to Automatic brightness dimming

Iris is a comprehensive software designed to protect your eyes, improve sleep quality, and boost productivity by intelligently managing screen light and offering health features.

SketchPort is a versatile web-based digital drawing application designed for artists of all skill levels. Offering a modern interface and a comprehensive suite of tools, it facilitates everything from quick sketches to detailed illustrations, with features like layer support, customizable brushes, and community integration.

Time Out is a comprehensive break reminder application for macOS, designed to promote healthier computer usage habits. It helps users prevent strain and improve focus by scheduling regular breaks with customizable timers and features.

f.lux is a cross-platform application designed to reduce eye strain and improve sleep patterns by automatically adjusting the color temperature of your display based on your location and time of day. It gradually transitions the screen color from bright daytime tones to warmer, dimmer tones as the evening progresses.