Free Alarm Clock - Free Alarm Clock is a free, full-featured and user-friendly computer alarm clock for Windows.
AutoHotkey - The ultimate automation scripting language for Windows.
Digital Clock 4 - Beautiful customizable clock with plugins
Pulover’s Macro Creator - Pulover’s Macro Creator is a Free Automation Tool and Script Generator.
AlarmDJ - Online Alarm Clock - Use YouTube videos or MP3 files as alarm sound. Works offline.
AutoKey - A Python 3 port of AutoKey, the desktop automation utility for Linux and X11.