1)   HTTProbe 1.0
HTTProbe is a powerful HTTP sniffer and analyser written in Java which allows you to read HTTP headers, log them and resend directly a HTTP request sent from your browser to a web server after having optionally modify the HTTP request's header.

 2)   IE HTTP Analyzer 3.0.2
HTTP(s) Protocol Analyzer,integrates into the lower part of your IE browser window . It allows you to capture HTTP/HTTPS traffic in real-time. It doesn't change your Windows system files and no device drivers or proxies have to be installed.

 3)   HTTP Analyzer 3.0.2
HTTP Analyzer is a utility that allows you to capture HTTP/HTTPS traffic in real-time. It displays a wide range of information, including Header,Timing, Content, Cookies, Query Strings, Post data, Request and Response Stream, redirection URLs and more.

 4)   HTTPLook 1.25
HTTPLook gives you the easiest way to test and debug Internet applications that work over HTTP protocol, such as web sites, web services and their clients. It allows you to trace the messages which these applications use for communication.

 5)   HTTP Sniffer and Analyzer 1.2
If you need a handily tool to capture and analyze all communications over the HTTP protocol then xIBL HTTP Sniffer and Analyzer is a program for you.

 6)   SoftX HTTP Debugger 4.2
SoftX HTTP Debugger allows you to view and analyze all communications between a web browser, or any other Internet related program, and the web server. View and analyze HTTP header and HTTP content of any HTTP request or response.