1)   MultiMon 2.00
MultiMon is an advanced multifunctional system monitoring tool for Windows which displays highly detailed output of a very wide range of activities in real-time. It is an indispensable tool for system administrators,developers and support engineers.

 2)   Advanced Host Monitor 7.20
HostMonitor is a system management tool that continuously monitors servers availability and performance. It has 60 test methods, 30 alert methods, highly flexible report and log manager. Package includes Log Analyzer, Web Service and other utilities.

 3)   fileWATCH 5.01
File monitor and registry monitor. Track file system and registry changes. Monitors the changes in the hard drive(s) and registry on your system using saved catalog files.

 4)   Key Explorer 3.5
Key Explorer is a spy solution that records invisibly keystrokes, applications, websites visited, chat history sending reports to a specified email address. The application helps you find out who has used a computer.