End Task Pro gives you powerful control over running processes and open windows. As to processes: see its description, Mem usage, Response status, increase its performance and much more. As to open windows: hide any window, set it always on top and much more. Watch your Mem & CPU usage in a graph as well as in a bar. Count how many times and how long you connected to the Internet. Check if there is any disk in your computer on shutdown.
TaskInfo
TaskInfo for Win9x/ME/NT/2k/XP is Task Manager & System Info, Alerts. It shows in real time OS Wide info, for all processes and threads -- CPU%, Path, open files, memory, DLLs, command line, environment vars, ... Run, terminate, Reboot.
PC Surgeon
PC Surgeon is a powerful tool that will diagnose, monitor and repair your Windows XP (NT,2000 supported) platform. Over 70 features and functions.
Pop-up Free
Get rid of annoying popup windows and enhance your Web surf experience. Kill unexpected popup windows and protect your privacy. No more annoying advertisement windows and save your time.
Actual Window Guard
Proven solutions, letting both professional and amateur users "rule" their desktop to increase productivity and manageability. Our Guard will settle special, convenient for you parameters for size, position and priority of any window before startup!
PerformanceTest
Easy to use, award winning, benchmark testing software for Windows. Allows a comparison to be made between the computer under test and a number of standard 'baseline' computer systems. Tests include CPU, Memory, Disk, MMX, 3D, 2D Graphics & Network.