Autoruns v8.53
See what programs are configured to startup automatically when your system boots and you login. Autoruns also shows you the full list of Registry and file locations where applications can configure auto-start settings.
ClockRes v1.0
View the resolution of the system clock, which is also the maximum timer resolution
CPUMon v2.0
Pentium-based performance tool
Filemon v7.03
This monitoring tool lets you see all file system activity in real-time.
Frob v1.6a
NT doesn't allow access to internal performance settings like execution quanta, which have different values on Workstation and Server. Here's an applet that will let you "frob" the foreground and background quanta on a system for experimentation, or for your liking. This update works on NT 4.0 SP 6a.
Handle v3.2
This handy command-line utility will show you what files are open by which processes, and much more
LiveKd v3.0
Use Microsoft kernel debuggers to examine a live system.
LoadOrder v1.0
See the order in which devices are loaded on your WinNT/2K system
LogonSessions v1.1
List the active logon sessions on a system
PendMoves v1.1
Enumerate the list of file rename and delete commands that will be executed the next boot
Process Explorer v10.2
Find out what files, registry keys and other objects processes have open, which DLLs they have loaded, and more. This uniquely powerful utility will even show you who owns each process.
ProcFeatures v1.1
This applet reports processor and Windows support for Physical Address Extensions and No Execute buffer overflow protection.
PsInfo v1.71
Obtain information about a system
PsLoggedOn v1.22
Show users logged on to a system
PsTools v2.34
The PsTools suite includes command-line utilities for listing the processes running on local or remote computers, running processes remotely, rebooting computers, dumping event logs, and more.
Regmon v7.03
This monitoring tool lets you see all Registry activity in real-time.
Winobj v2.15
The ultimate Object Manager namespace viewer is here.