Advanced Task Scheduler
Digital Clock 4
System Scheduler
VisualCron
Task Scheduler
Freebyte Task Scheduler
Z-Cron
Free Alarm Clock
LClock
T-Clock Redux
ClocX
DS Clock
AlarmDJ
ClassicDesktopClock
Fitari Fitness Alarm Clock
TClockEx
LClockDigital Clock 4 - Beautiful customizable clock with plugins
T-Clock Redux - T-Clock Redux in an enhanced fork of Stoic Joker's T-Clock 2010 with ISO week number support...
System Scheduler - System Scheduler for Windows, Free Task Scheduler Software replace Microsoft Windows Task Scheduler
ClocX - ClocX - freeware analog clock for Windows desktop with many features like calendar, alarms, skins, antialiasing and transparency.
VisualCron - VisualCron is an automation, integration and task scheduling tool for Windows.
DS Clock - Keep your time synchronized with Atomic Time servers, using customizable digital desktop clock with westminster chimes.