From Tansu TURKOGLU:
Tansu TCP (TT) is a TCP trace utility which listens on a local port and then forwards tcp packets to another server. You can see and save binary / text data to a file or you can load binary data from a file. TansuTCP is a utility that can send binary/text data to a server and save/copy binary/text response. With advanced log mechanism, you can see what is going on (Retrieved data size, sent data size, opened connections, closed connections). With hex editor you can create requests manually. Version 1.2 may include unspecified updates, enhancements, or bug fixes.