Network Spy 

An Ethernet packet capture program. It decodes and analyzes IP packets on your LAN. It also lets you measure network load, resolve IP conflicts and build an ARP table. A powerful rules-based filtering engine enables you to perform intrusion detection
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Com 

Com 7.1f Supports ANSI, VT52, VT100, VT220 and DOORWAY emulations. File transfer protocols: Xmodem, Ymodem, Zmodem, Kermit, Ascii, and Pure Binary. Macros, powerful scripting language with script learning ability. Auto connection, Command line parame
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Panda Security Demo 

Helps you keep hackers or unauthorized users away from your files, and from configuring your systems. You can prevent data from being removed from your company or computer. And you can prevent users from accessing certain Internet addresses.
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Socket Workbench 

Socket Workbench is the definitive tool for analysing socket communications that underlie the Internet and several types of inter-process communication.
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Winsock Interface Library for C/C++ 

The Winsock Interface Library simplifies winsock network communications programming and provides support for the most common Internet protocols such as Finger, SMTP, POP3, FTP, NNTP, and HTTP. Includes multiple C/C++ examples.
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WhoIsNot Lite 

Browser-like domain search utility supporting multiple servers, rules, logs, data reference, regular expressions, whois, finger, web, FTP, save, print and other features.
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