I wrote a small Python utility recently that provides a minimal interface for brightness and temperature: https://github.com/nicholasbishop/xrandr-slightly-fewe

I wrote a small Python utility recently that provides a minimal interface for brightness and temperature: https://github.com/nicholasbishop/xrandr-slightly-fewer-tears https://github.com/nicholasbishop/xrandr-slightly-fewer-tear... It doesn't do anything fancy with geolocation, I tend to just tweak the sliders every now and then depending on what my eyes tell me :)