COM Port Toolkit 

COM Port Toolkit is a tool that combines features of serial port (RS-232, 422, 485) terminal and monitoring application. Scripting feature can help to automate data manipulating (for example - CRC calculation) and transfer control.
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NetSpy 

With NetSpy you can see what web sites others are accessing from a PC. NetSpy runs invisibly so the user surfing the internet has no idea that big brother is watching them!
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Keyboard Collector 

Secretly record and view all keys typed on your pc while you are away, including chat sessions, passwords, email, and more.
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SnapKey: Parental Internet Monitor 

SnapKey provides the one-stop solution for parents who want to insure that their kids are safe. SnapKey runs in the background, completely undetectable, and monitors all computer activity. Parents access SnapKey anytime to insure their kids' safety
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Chaperone 

Chaperone controls how and when a computer is used by defining schedules that control when the computer or individual programs can be accessed. Advanced controls for AOL, MSN, and Yahoo instant messengers, as well as web filtering
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Omniquad Personal Firewall 

Omniquad Personal Firewall is a personal security system to protect your computer from unauthorised access over the LAN and / Internet. It hides your PC on the internet to keep hackers from seeing it. Alerts the user of attempted intrusions
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