Notez - virtual post-it for Windows.
License: Shareware
OS Support: WinME,Windows2000,WinXP,Windows2003,Win Vista

With Atrise Wakeup Alarm Clock you can get additional awakening reliably.
License: Shareware
OS Support: Win98,WinME,WinXP,Windows2000,Windows2003,Windows Tablet PC Edition 2005,Windows Media Center Edition 2005,Win Vista

AlfaMini is full featured desktop clock, countdown and stop-watch.
License: Freeware
OS Support: Win95,Win98,WinME,WinNT 4.x,WinXP,Windows2000,

DREAMCOAT Software Numbers in postures Human Clock screensaver.
License: Freeware
OS Support: Win98,Windows Mobile 2003,Windows Mobile 2005,Windows2000,Windows2003,WinME,WinNT,WinXP,Win Vista

Comfortable multi-purpose clock for your website or flash movie.
License: Shareware
OS Support: Win95,Win98,WinME,WinNT 3.x,WinNT 4.x,Windows2000,WinXP,Windows2003,Unix,Linux,MS-DOS,AS/400,OS/2,OS/2 Warp,OS/2 Warp 4,MAC 68k,Mac PPC,Mac OS X,Mac Other,

It lets you specify when exactly and how long the computer can be used.
License: Shareware
OS Support: Win98,WinME,WinNT 4.x,Windows2000,WinXP,Windows2003,Win Vista

Small Always on Top Analog Clock with Calendar and Alarms (for NET Framework).
License: Shareware
OS Support: Win98,WinME,WinNT 4.x,Windows2000,WinXP,Windows2003,

Atomic alarm clock with digital or round view Sends emails and plays sounds.
License: Shareware
OS Support: Win98,WinME,WinNT 4.x,WinXP,Windows2000,

The program reminders of events.
License: Shareware
OS Support: WinME,WinNT 4.x,Windows2000,WinXP,Windows2003,Win Vista