WinXP Manager All-in-One utility to optimize, tweak, clean up Windows XP. It bundles more than 30 different utilities in one! Get access to hundreds of hidden options, clean registry and junk files, speed network, uninstall smartly and many other utilities.
System Mechanic Free System Mechanic Free provides complete Windows maintenance and repair using advanced patented tools. It works to speed up Windows for maximum performance and stability by fixing registry problems, defragging hard drives, cleaning junk files and more.
AIDA32 - Enterprise System Information Everything you want to know about your computer: freeware tool AIDA32 delivers complete system information, diagnostics, benchmark and network audit solutions. Analyze the profile of your PC on the screen, print it or save it to a report file.