1)   HttpDetect (EffeTech HTTP Sniffer) 3.6
A HTTP protocol network sniffer, packet analyzer and file rebuilder. Unlike most other sniffers, it is dedicated to capture IP packets containing HTTP protocol, rebuild and save the HTTP communications and files sent through HTTP protocol.
EffeTech, sniffer, http sniffer, web sniffer, web monitor, image, gif, jpg, packet sniffer, http analyzer,

 2)   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.
http, HTTP sniffer, http header viewer, http viewer, http diagnostics, http interceptor, web sniffer, decode http packets, HTTP protocol analyzer, HTTP request,

 3)   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.
http sniffer, http debugger, capture http traffic,