1)   EtherSnoop 1.10
EtherSnoop light is a free network sniffer, designed for capturing and analysis of the packets going through the network.
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 2)   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.
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 3)   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.
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