waydabber/BetterDisplay: Unlock your displays on ... - GitHub
BetterDisplay Pro is a comprehensive macOS utility that overrides native display limitations, enabling advanced HiDPI scaling, hardware brightness control, and virtual "dummy" displays. It offers a 14-day trial for its perpetual license features, which include non-integer refresh rates and HDR upscaling. For more details, visit GitHub documentation and discussions . BetterDisplay Pro