For Mac, Lunar (brew install --cask lunar) gives "sub-zero dimming" that works perfectly -- it hooks into the brightness keys and gives a whole second, lower me

For Mac, Lunar (brew install --cask lunar) gives "sub-zero dimming" that works perfectly -- it hooks into the brightness keys and gives a whole second, lower menu. The lowest setting is actually too dim (as any lowest non-zero brightness setting should be...) Works for external monitors, too!