HttpWatch 5.1
HTTP Viewer and Debugger
HttpWatch is an HTTP viewer and debugger that integrates
with Internet Explorer to provide seamless HTTP and HTTPS
monitoring without leaving the browser window.
New feature
    * A plug-in HTTP Viewer for Internet Explorer 6 & 7.
    * See headers, cookies, caching and POST data
    * Detailed information about HTTPS, compression, redirection & chunked encoding
    * Real-time page and request level time charts
    * Your users and customers can send you log files for free
    * Millisecond accurate timings and network level data
    * Use it in automated tests written in C#, Ruby, Javascript, …