Hourglass - Hourglass is the most advanced simple countdown timer for Windows.
AutoHotkey - The ultimate automation scripting language for Windows.
wnr - Better than pomodoro, this timer app balances work and rest.
Pulover’s Macro Creator - Pulover’s Macro Creator is a Free Automation Tool and Script Generator.
Free Countdown Timer - Free Countdown Timer is a free, full-featured and user-friendly countdown timer for Windows
AutoKey - A Python 3 port of AutoKey, the desktop automation utility for Linux and X11.