It slices! It dices!
The Windows Inspection Tool Set (WiTS) chops up Windows multiple ways providing you with cross-linked, filtered views into a Windows system. View operating system information, processes, services, users, network interfaces and connections, file shares, printers and more. Get notified of system resource status, new network connections, process starts and exits, service status and other system events.

WiTS features

WiTS is a free, open source application. WiTS supports Windows 2000, Windows XP and Windows 2003.

WiTS site | Hosted @ SourceForge