Essential tool for debugging web services. You can monitor HTTP request headers, returned status codes and content.
This is a double clickable version of the classic Apache TCPMon utility. I simply packaged the program’s files into an application using the Jar Bundler utility that comes with XCode developer tools.
Take a look at the tutorial on how to use it. TCPMon is most commonly used as an intermediary – a proxy that stands between and listens to incoming and outgoing web traffic.

This is a very useful tool to monitor network transactions when accessing web services using SOAP and REST. You can monitor returned XML and JSON content without inserting trace or debugging statements in the code.