Every display control macOS hides, in one menu bar app: sharp HiDPI/Retina scaling (no more blurry or tiny text), DDC brightness and volume, Extra Brightness past 100%, presets, virtual displays. Free and open source, a no-cost alternative to BetterDisplay and Lunar.
Unlock your displays on your Mac. Flexible HiDPI scaling, XDR/HDR extra brightness, virtual screens, DDC control, image adjustments, PIP/streaming, EDID override. More info - betterdisplay.pro/guide
Candela protects your displays from OLED burn-in and wear: panel health history, a checkup for defects, and the controls macOS leaves out for external monitors (brightness, volume, contrast, custom resolutions, HiDPI scaling). Free and open source.