Personally, I use Redshift which is an open-source f.lux clone.
Ideally, I'd like to be able to watch TV/use a computer in a dark room and not have to worry about it being so bright it gives me a headache, but also have good color quality. Software color temperature apps handle the headaches pretty well, but they don't save power and they don't let me see true colors.
It would be really nice to see some more hardware effort put into low-intensity backlights, especially color reproduction at lower brightness settings.
Ideally, I'd like to be able to watch TV/use a computer in a dark room and not have to worry about it being so bright it gives me a headache, but also have good color quality. Software color temperature apps handle the headaches pretty well, but they don't save power and they don't let me see true colors.
It would be really nice to see some more hardware effort put into low-intensity backlights, especially color reproduction at lower brightness settings.