XP Firewall Commander is an easy to use control interface for your Windows XP built-in firewall which lets you add and remove exceptions for programs and services so that they can receive inbound traffic.
If you use no exceptions, you can still view Web pages, send and receive e-mail messages, or use an instant messaging program.
XP Firewall Commander permits you to add a specific port and protocol (UDP or TCP) and a suitable port name.

ServersCheck Remote Booting enables you to reboot a server or PC remotely from any web browser, using a password protected interface. It runs as a service on the host machine and performs a forced reboot, even if applications are hanging or not responding. In addition to rebooting the machine, you can also start/stop or restart any currently running service. ServersCheck Remote Booting can restrict access to the web interface by password and more

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. In addition, RemShutdown offers the user the option to cancel the shutdown. The tool is designed with a user-friendly interface and is easy to use.

Monitor network hosts, shared resources, traffic, get MAC-addresses, scan TCP and UDP ports, and be notified when devices turn on or go down. Create network diagram and see your network's state in vusial form at any time.
LANState contains many tools for administrators and users such as sending messages, shutting down and turning on remote computers, ping, name lookup, trace route, obtaining information on remote hosts, creating reports, etc.

LanTool is a system service for remote network administration. Features include ability to determine possible network faults, Network bandwidth tests, File Transfers, chat, system uptime, remote shutdowns, restarts, session locks, useful hardware and software information on local or remote machines, network inventory and so on.

Allows an NT/2K/XP Administrator to remotely shutdown any number of NT/2K/XP Workstations over which they have administrative control via either a GUI or the command-line. They can optionally specify a delay and message to be displayed to the user during shutdown. During this time the shutdown can be aborted.
Multiple workstations can be specified in the GUI and this list can be saved for later use in either interface.

Volt is an Assembly Language power monitoring and controlling utility. The primary function of this program is to provide a visual display of the internal battery state of a Laptop Computer. This can be shown via a compact window with a graph and a text line, or by a simple icon in the system tray. The secondary function of Volt is a Quick Shutdown utility. In addition to shutdowns, restarts, logging off and Power-Off is also supported.

Message sending(here we have WinPopup clone.File sending).
Simple reminder.See screenshot of any user's computer.
Get folder structures of user's computers. Copy files from and to user's computers.
Run programs remotely and documents with associated programs.
List current processes on remote computers. Kill process in remote systems.
Get remote system information. Shutdown remote computer / Restart remote computer. Get computer's database.

The most advanced Auto ShutDown application on the market, key functions include:

Schedules - Shutdown can now be based on daily, weekly or a specific date schedule.

Conditional shutdown - ASD can now be used as conditional shutdown of the PC, for instance when the data download rate drops to zero bytes for five minutes.

Other functions include Security, Prevent PC Restarts, Quick Shutdown, Remote systems shutdown and Auto Login.

The most advanced Auto ShutDown application on the market, key functions include:

Schedules - Shutdown can now be based on daily, weekly or a specific date schedule.

Conditional shutdown - ASD can now be used as conditional shutdown of the PC, for instance when the data download rate drops to zero bytes for five minutes.

Other functions include Security, Prevent PC Restarts, Quick Shutdown, Remote systems shutdown and a user guide.

EugeneShutdown is a system utility for Windows 9x/ME/NT/2000/XP operating systems that allows to automatically shutdown, power off, reboot or log off current user at a specific time on your local computer and initiate shutdown of remote computer. The program provides the following key features: ability to force shutdown, force if hung shutdown, shutdown remote computer with custom message and timeout.

Power Shutdown is an auto-shutdown program.
It has 11 commands:
Logoff, restart, turn off the computer, play media files, screen saver, standby, disconnect the modem, and more.

You can choose to launch the commands...
at the exact time, or
after a specified time has elapsed, or
when certain conditions are met.(For example, when the file downloading is done, Power Shutdown will disconnect the modem automatically)

Multi-Remote Shutdown Manager is an easy and screamingly fast way to shutdown the computers you administer. It is designed for network administrators working with groups of systems. Options include Shutdown, Restart, Set Countdown, Send Message, Force Apps to Close, Force Reboot and Abort In-progress Shutdown. 1000 computers -- 5 minutes. Tops.

Desktop Central provides a set of free Windows tools that Windows Administrators might require on an day-to-day basis. It has a set of four tools, viz: Wake on LAN, GPO Update, Shutdown/Restart Tool, and Software Inventory Tool. This is very handy as it can be performed on multiple computers simultaneously. These tools are made available from the Desktop Central family and is provided as a separate download, which is absolutely free to use.