PC Activity Monitor Pro 6.4.2
PC Activity Monitor (PC Acme) is an ultimate invisible and undetectable easy-to-use monitoring and surveillance tool for both networked and personal PCs. It is professional software that captures all users activity on the PC. It is a powerful management tool for users and companies, which want to increase their productivity and profitability. This is the most remarkable security product for a computer you have seen.

Stealth Keyboard Interceptor for Win NT/2000/XP 6.0.1
Stealth Keyboard Interceptor for Windows NT/2000/ XP (SKIn2000) is a monitoring program which allows to intercept all keystrokes, mouse clicks, captions of active windows, static text and other. It has a unique set of features that makes SKIn2000 the powerful program, suitable for perfect monitoring of user's computer activity.

GFI LANguard Security Event Log Monitor 5
LANguard S.E.L.M. performs intrusion detection by network-wide monitoring of the security event logs of all NT/2000 servers and workstations. Extensive reporting identifies machines being targeted as well as local users trying to hack. Unlike network-based IDS, LANguard is not impaired by switches, encryption or high-speed data transfer.

Advanced Stealth Email Redirector 6.5.2
Advanced SER enables you to collect copies of all the outgoing emails from the particular PC. This program monitors outgoing traffic of the target PC's email client and intercepts all the messages sent from it. Intercepted emails are forwarded to a pre-specified email address. Advanced Stealth Email Redirector (Advanced SER) does not intercept emails sent from web-based email services like www.yahoo.com, www.hotmail.com etc.