Iris is software which makes Monitors healthy for the eyes.
With Iris you can reduce the Blue Light emitted from your screen for better sleep, reduce the Brightness of your screen without PWM and avoid eye pain.
The science behind Iris:
https://iristech.co/pwm-flicker
https://iristech.co/blue-light
More: Iris vs F.lux, Download, Buy Iris Pro
Holy bad software. Supper laggy itself, brought the system to a crawl on OSX. 2 monitors made it absolutely unusable. Does not play nice at all if f.lux is already installed. I uninstalled and went straight back to f.lux which does a lot less but better.
Pros:Feature Full
Cons:Everything