Portmon v3.02 monitors and displays all serial and parallel port activity on a system. Portmon shows you the text or binary data being sent or transmitted, in either hexadecimal or ASCII format.

VxDMon v1.0 lets you monitor the performance of VxD services. It lets you determine how VxDs interact with one another and monitor the performance of VxD services, including your own.

DebugView v3.0 is a program debugging utility for Windows NT. It consists of a device driver and a graphical front-end that intercepts calls made to DbgPrint by device drivers and OutputDebugString made by Win32 programs.

DebugView/EE v3.0 is a program debugging utility for Windows 95 and 98. It lets you monitor VxD debug output and Win32 debug output without requiring a debugger. You can set filters, and output that matches your filter can be highlighted in the color of your choice.

Winobj v2.0 is a developer tool that displays information about the Windows NT Object Manager name space. WinObj can display many type of object.

DLLView v1.0 shows you the DLLs loaded by all of the currently active processes. DLLView is useful for tracking down DLL version problems.The top windows displays a list of the currently active processes.

HandleEx for Windows NT v2.01 shows you the DLLs and handles that are opened or loaded by NT processes. HandleEx is a GUI application that shows you what files, registry keys and other objects processes have open, or which DLLs they have loaded.

ListDLLs for Windows NT v2.0 shows all DLLs that are running under Windows NT. ListDLLs is a command-line utility. The information listed for each DLL includes the address at which it is loaded in a process, its size, and its version number if it has one.

Sync (by Systems Internals) v2.0 forces Windows to flush all file system data to disk, ensuring that it will be safe in case of a system failure. This simple command-line utility lets you specify the drive letter to flush.

CacheSet v1.0 lets you manipulate the system file cache in Windows NT.

Diskmon v1.0 watches and logs all hard disk activity on a Windows NT 4.0 system. Gui/device driver program that watches all hard disk activity.

Handle for Windows NT v1.0 is a command-line utility that shows you which programs have a particular file or directory open. Handle is a command-line utility that displays information about open handles for any process in the system.

Frob v1.3 \lets you tune the foreground and background time-slice threading under Windows NT.

OpenList v1.0 display information about the files that are currently open on your system. The information displayed includes: the file's path, the way the file has been opened, and the share and access modes of the opened file.

NTFSInfo v1.0 is a simple Windows NT utility that shows you information about NTFS volumes. It displays the location of key NTFS files, the size of a drive's allocation units, and the sizes of the NTFS metadata files on the volume.

Contig v1.2 is a single-file defragmentation utility for Windows NT. Contig is perfect for quickly optimizing individual files that are continuously becoming fragmented, or that you want to ensure are in as few fragments as possible.

VCMon v1.0 is a simple Windows disk cache monitoring tool. It displays statistics and graphs about hit rates, cache size, and more.

Ctrl2cap for Windows NT v1.0 maps the Caps lock key to the Control key under Windows NT. UNIX users who are used to having the control key located where the caps-lock key is on the standard PC keyboard will appreciate this utility.

Ctrl2cap for Windows NT v1.0 maps the Caps lock key to the Control key under Windows NT. UNIX users who are used to having the control key located where the caps-lock key is on the standard PC keyboard will appreciate this utility.

Ctrl2Cap for Windows 95/98 v1.0 maps the Caps lock key to the Control key. UNIX users who are used to having the control key located where the caps-lock key is on the standard PC keyboard will appreciate this utility.

TCPView v1.0 shows you a detailed view of all TCP and UDP endpoints on your system. The display also includes the remote address and the state of the TCP connections.

Regmon for Windows 95/98 v4.11 \displays all activity taking place in the Windows System Registry. Regmon displays the process, the request, the result, and the Registry path and key data.

Regmon for Windows NT v4.11 \displays all activity taking place in the Windows NT System Registry. Regmon displays the process, the request, the result, and the Registry path and key data.

NTFSDOS v3.0R+ is a read-only network file system driver for DOS/Windows that is able to recognize and mount NTFS drives for transparent access.

NTRecover v1.0 is an advanced recovery utility for accessing and repairing dead Windows NT systems. Using an adjacent NT-based computer connected by a serial cable, NTRecover allows you to access a dead NT system's disks.

Filemon for Windows NT v3.5 logs and displays all file system activity on a Windows NT system. It includes a driver and a user interface. Filemon offers timing capabilities and allows you to set filters on processes that are logged, as well as paths.

Filemon for Windows 95/98 v3.5 displays detailed information about every file system access that takes place. Filemon offers timing capabilities and allows you to set filters on processes that are logged, as well as paths.