CoreAPI SDK 

p Developer's SDK for .NET platform providing Client/Server and Object Persistence functionality. Available in Personal, Professional and Enterprise Editions (from 3 to unlimited number of simultaniously connected clients). /pp
client server sdk network serialization api object net c-sharp c# .net

Proxy Workbench 

Proxy Workbench is a unique proxy server ideal for developers, trainers and security experts that displays its data in real-time.
proxy workbench proxy server sockets tcp udp sockets tcp sockets packet sniffing socket protocols packet sniffer protocol analyzer protocol analyser tcp/ip winsock