Video Card Stress Testing + Benchmark + 3D Screensaver!.
License: Freeware
OS Support:

Do you want to speed up the work of your soft and hard? Do you want to know how.
License: Freeware
OS Support: Win95,Win98,WinME,WinNT 4.x,WinXP,Windows2000,Windows2003,

Squid Efficiency Analyzer interprets a Squid log (native) for proxy efficiency.
License: Freeware
OS Support: WinME,Windows2000,WinXP,Windows2003,

Real Internet speed meter and system performance monitor Speed Testing.
License: Shareware
OS Support: Win95,Win98,WinME,WinNT 3.x,WinNT 4.x,WinXP,Windows2000,Windows2003,Win Vista

ASTRA32 is a powerful tool providing diagnostics and complete information about your computer system It scans the actual hardware, not the Windows Registry.
License: Demo
OS Support: WinXP, WinNT 4.x, WinME, Win2003, Win2000, Win Vista, Win98, Win95

Display process counters on the corner of each window next to the system buttons.
License: Shareware
OS Support: Windows2000,WinXP,Windows2003,Win Vista

Load, performance and functional testing for websites and web applications.
License: Shareware
OS Support: Win95,Win98,WinME,WinNT 3.x,WinNT 4.x,Windows2000,WinXP,Windows2003,Unix,Linux,

Test the speed of all the components inside your PC.
License: Freeware
OS Support: Win98,WinME,Windows2000,WinXP,Windows2003,

Tests the performance of the components in your PC and optimizes accordingly.
License: Shareware
OS Support: Win98,WinME,WinNT 4.x,Windows2000,WinXP,

Measures storage performance of hard drives and compares to benchmark database.
License: Freeware
OS Support: WinXP,Windows2003,Windows Tablet PC Edition 2005,Win Vista