Delayed Shutdown 

This program will allow you to fall asleep while your computer is playing your favorite music or you have your TV tuner on. You specify the period in which the computer should be turned off and it is turned off automatically.
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Aye Shutdown Lite 

Turn off the computer at a user-specified time.
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Kill Winamp 

Either closes or stops winamp or turns the computer off after a certain number of minutes or songs played. Completely freeware.
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Shutdown Monster 

This software is a shutdown timer. This means, that you can make your computer shut down at a specified time. You can set a countdown, type in an exact date and time, or even specify a file to check periodically.
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RebootEx 

RebootEx is a system utility for Windows NT/2000/XP operating systems that allows to automatically shutdown, shutdown at a specific time, power off, reboot and/or relogon to your computer.
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Logic Circuit Simulator 

This package provides logical circuit simulation, it comes with common logic elements which includes logic gates, flop-flops, binary inputs and binary viewers. User can construct any logic circuit by drag and drop.
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