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.
http://osdn.dl.sourceforge.net/sourceforge/shutdown/shutx_4052.exe - 1Mb - Download - Screenshot

PowerClick
PowerClick is small utility that provide you with fast access to, all commonly used, power managment features available in Windows. Those are shutdown, restart, standby, hibernate, log off and station lock. Some people (like the author it self) sometimes hate to bother, to shutdown or restart... You don't have to wait until all programs are closed, you can invoke shutdown and leave the desk with assurance that system will be properly turned off. ... This is usually the case when large number of applications are running but only the quick shutdown or restart is needed.
http://www.asmdev.net/products/powerclick/powerclick.zip - 71Kb - Download - Screenshot

Auto ShutDown XP Professional
Auto ShutDown XP Professional ASD XP is the most advanced Auto ShutDown application on the market to date. The previous version of ASD was the first application of its kind to integrate unique functionality to give users complete control of shutdown management of PCs. ... The latest version brings new functionality some key functions include: ShutDown Schedules Pre-determined shutdown can now be based on daily, weekly or a specific date schedule. ... Performance Counters - Conditional shutdown Performance Counters can now be used as conditional shutdown of the PC, for instance when the...
http://www.gillit.com/asdxp/ASDSetup.zip - 1Mb - Download - Screenshot

Aye Shutdown Lite
Aye Shutdown is a piece of powerful software that can turn off your computer at a user-specified time. Turns the power off completely; Two timer options to meet different needs; Simple and use-friendly interface.
http://www.ayesoftware.com/asd/asdlite.zip - 128Kb - Download - Screenshot

Auto ShutDown XP Professional with Auto Login
Auto ShutDown XP Professional ASD XP is the most advanced Auto ShutDown application on the market to date. The previous version of ASD was the first application of its kind to integrate unique functionality to give users complete control of shutdown management of PCs. ... The latest version brings new functionality some key functions include: ShutDown Schedules Pre-determined shutdown can now be based on daily, weekly or a specific date schedule. ... Performance Counters - Conditional shutdown Performance Counters can now be used as conditional shutdown of the PC, for instance when the...
http://www.gillit.com/asdxp/ASDSetupal.zip - 2Mb - Download - Screenshot

RemShutdown
RemShutdown allows remotely shutdown or restart network computers. You can specify a delay during which a message you specify can be displayed and applications running on the remote computer at the time of shutdown can be allowed to close. The tool is designed with a user-friendly interface and...
http://www.nsauditor.com/freeware/downloads/RemShutdown.exe - 421Kb - Download - Screenshot

dfg ShutDown XP
This program is a professional shutdown, automation, atomic time synchronizing, disk cleaning and PC protection utility - the best you can get today. dfg ShutDown XP gives you an easy and thorough time controlled and automatic way to shutdown, restart or log off your system with optional power... You can also launch a program (and wait for exit) before shutdown e. ... Optionally will dfg ShutDown XP will protect the computer while you are absent. ... An optional Countdown Counter (visual and acoustic) enables you to cancel the system shutdown within a time period of up to 99 seconds.
http://dfg1.netfirms.com/bin/a_sdown.zip - 1Mb - Download - Screenshot

Lomsel Shutdown
Lomsel Shutdown is a small system utility that can automatically perform various frequently used operations like shutdown or restart your computer, disconnect your current dialup connection, hibernate workstation, etc. It also provides fast access to these operations through system tray icon... The utility has frendly and a nice looked interface, that allows you to initiate operations mentioned above from your computer.
http://www.lomsel.net/download/shutdown_setupEN.exe - 940Kb - Download - Screenshot

Aye Shutdown
Aye Shutdown is a multi-function software that automatically executes tasks at pre-defined time. It has many timer options to meet the user's needs on different occasions. Specifically, it can synchronize your PC's time to atomic clock servers, turn off/lock/reboot/logoff the computer, turn off...
http://www.ayesoftware.com/asd/asd.zip - 1Mb - Download - Screenshot

SmartSleep - auto shutdown utility
SmartSleep is a new and free to try utility for shutting down your computer at a specified time. You can also schedule these tasks, so it can turn off your PC every Sunday at 18:00 and so on. However, SmartSleep can do way more than that! SmartSleep supports these operations: Shutdown, Log Off,... You also can select program which will be executed before shutdown. ... Shutdown scheduling is very powerful. ... You can turn on shutdown confirmation window with timeout to prevent accidents. ... With SmartSleep you may force all applications to quit during shutdown, even those which aren't...
http://www.dextronet.com/smartsleep.exe - 2Mb - Download - Screenshot