TCP Viewer 

Captures data that is transferred between client processes and a server process communicating through TCP/IP. The processes can be running on the same machine or different machines located anywhere on a network or the Internet.
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Acid Scanner 

Advanced scanning tool to audit your network. Includes many ip utilities in one program. Shared resource scan, ping, port scan, traceroute, terminal (tcp/udp) and much more... Incredibly fast due to its multithreading desing.
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Chilkat XML Messaging 

Makes adding peer-to-peer XML messaging to your distributed applications easy. Integrates with Chilkat SSL, Chilkat Real-Time Compression, and Chilkat Crypt for automatic compression and security.
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Proxy Workbench 

Proxy Workbench is a unique proxy server ideal for developers, trainers and security experts that displays its data in real-time.
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Fping 

Fping is a simple ping program, intended to be used instead of the standard ping program that comes with windows. It was first made to ping faster than once every second. Options have been added since then and fping is now a very handy tool.
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