F.lux [updated] Download -

F.lux is free for personal use across multiple platforms. To get started: f.lux: software to make your life better

: Once configured with your location, f.lux uses your local sunrise and sunset times to gradually shift your display's color profile. f.lux download

: The software reduces the "eerie blue glow" that often leads to headaches and fatigue during late-night sessions. f.lux download