SniperSpy 3.0 (by Retina-X Studios, LLC)
Remotely installable spy software monitors user activity of a PC from anywhere.

AceSpy Spy Software 3.7 (by Retina-X Studios, LLC)
Secretly records activitiy of others using your computer and emails you results.

Net Spy Pro 2.5 (by Retina-X Studios, LLC)
A software tool that discreetly monitors and remotely controls your network.

ScreenSpy 2.1 (by Retina-X Studios, LLC)
Screen Spy software surveillance camera aimed directly at your PC screen.

Mobile Spy 1.5 (by Retina-X Studios, LLC)
Silently record SMS and call details of your smartphone. View results online.

Net Spy Pro 2.5 (by Retina-X Studios, LLC)
A software tool that discreetly monitors and remotely controls your network.

Personal Inspector 4.60 (by KMiNT21 Software)
Monitor PC activity by recording keystrokes, application events and visited URLs

JM Pager 2.20 (by QUIT-UP Ltd)
Remote administrration of client computers in a network & messaging tool

ByteOMeter 1.5 (by FortaWare)
Network monitoring tool featuring smooth graphs, remote and SNMP monitoring.

BEST SOLUTIONS NETWORK MONITOR PRO 3.1.02131 (by BEST SOLUTIONS)
Monitor Computer usage remotely: passwords,keystrokes,login info and much more!

Desktop Scout 4.03 (by GlobalPatrol)
Secretly record and monitor any PC in the home, school or office remotely.

NETObserve 2.98 (by ExploreAnywhere Software, LLC)
Remotely administrate, manage, and monitor your PC - all via a web browser!

Network Commander 2.1 (by Private Programmer)
GUI interface for command prompt network functions, for example, ping,ipconfig

SystemView 2.0 (by CBR Software)
Network Monitoring, Security Management,Inventory management

System Surveillance Pro 4.2 (by Golden Plains Software, LLC)
Record keystrokes, programs, websites, IMs and more with SSPro!

Netoscope 1.6 (by Basta Computing, Inc.)
Netoscope: Internet server monitor.

The Dude 1.1 (by MikroTik)
The Dude will layout your network on a map and will monitor services of devices

Sniff-em Packet sniffer 1.12 (by YASC LTD)
Sniff'em 1.12 is a Windows based allround Packet sniffer and Network analyzer.

SNMPTest 1.03 (by Noel Danjou)
Query and monitor any SNMP-compatible device

MailMonitor 1.6.3 (by DigiArch.org)
If you have mail problems, MailMonitor shows you what's going on at port level.