Zenity - Zenity is a tool that allows you to display GTK dialog boxes in commandline and shell scripts.
f.lux - f. lux is a piece of software for Windows, Mac, Linux, iOS, and Android that provides a blue light filter over your screen. Research suggests limiting our exposure to blue light in the hours before bedtime can help us fall asleep faster.
AutoHotkey - The ultimate automation scripting language for Windows.
CareUEyes - CareUEyes is an eye protection software for windows that comes with blue light filter, screen dimmer, and break reminder
Batch MessageBox - Display message boxes from Windows batch files and command line programs.
Redshift Color Temperature Adjuster - Redshift adjusts the color temperature according to the position of the sun.