RSIMon is the first (AFAIK) 'discomfort' based computer usage monitor. Try it... it works a lot better than older time-in-use programs.
JitBit Software
ivProject
Keylogger King Software
Novica Paunovic
Chris Powell
Axi from USHASOFT
Code Sector Inc.
ChristianSteven Software Ltd
Export OST to PST
PST Conversion to NSF
RinaSoft
Absolute Lab.
MyNetMedia
AthTek Software
USBlyzer - USB Analyzer
Andy Erceg
Markus Schmidt