BetterDsplay is a display management tool designed specifically for Mac, providing rich features including custom resolution, XDR/HDR high brightness adjustment, virtual screen creation, picture in picture function, EDID overlay, DDC control, color mode selection, and more. By controlling the brightness, color, and volume of the monitor through software, multiple monitor synchronization, layout protection, and other functions can also be achieved. It also supports advanced features such as local streaming media transmission and screen filter applications.