Performance Monitor is a program that shows you the CPU, Memory, Disk and Network utilization under Windows NT platforms (2000, XP+). It's composed by four fully configurable small graphs and it can work in the tray area also. The windows are fully anchorable and by moving the "CPU" window you'll move the other attached windows. PerfMon can become transparent and permits you to forward left-mouse clicks so you can place it anywhere.
Heavyload is inteded to stress all resources of a PC (like CPU, RAM, harddisk, network, operating system, etc.) in order to test, if it will run reliable under heavy load. This is useful for testing important NT file or database servers before using them productively, or just to check if your new PC might get too hot when used intensively.
Benchmark 3.0 is a utility from Quartus Handheld Software that will tell you just how fast your Palm Powered handheld is, relative to other models. It's small and free, and written entirely on-board a Palm handheld using the Quartus Forth on-board compiler!
Squid Efficiency Analyzer interprets a Squid log (native) to determine how much traffic can be retrieved from the cache and how much comes from the webservers in the internet. Tested with log files from Squid 2.5 STABLE 5 for Windows NT 4.0/2000/XP/2003.