Win Sniffer captures passwords on LAN. It captures ftp, http, telnet, icq, pop3, imap and other passwords.

EtherSnoop light is a free network sniffer, designed for capturing and analysis of the packets going through the network.It captures the data passing through your dial-up connection or network Ethernet card, analyzes the data and represents it in a readable form. EtherSnop light is a full configurable network analyzer program for Win32 environment. EtherSnop light sniffer presents the results of its work in a convenient and understandable format.

WebScarab is a framework for analysing applications that communicate using the HTTP and HTTPS protocols. It is written in Java, and is thus portable to many platforms. WebScarab has several modes of operation, implemented by a number of plugins. In its most common usage, WebScarab operates as an intercepting proxy, allowing the operator to review and modify requests created by the browser before they are sent to the server, and to review and modify responses returned from the server before they are received by the browser. WebScarab is able to intercept both HTTP and HTTPS communication. The operator can also review the conversations (requests and responses) that have passed through WebScarab.

WinDump is the porting to the Windows platform of tcpdump, the most used network sniffer/analyzer for UNIX. WinDump is fully compatible with tcpdump and can be used to watch and diagnose network traffic according to various complex rules. It can run under Windows 95/98/ME, and under Windows NT/2000/XP. Needs WinPCap to run!

Analyzer is a full configurable network analyzer program for Win32 environment. Analyzer is able to capture packets on all platforms (and link-layer technologies) supported by Winpcap.

IP sniffer is a packet sniffer using the new raw socket implementation and is also a suite of IP tools like traffic monitor, scanner, MAC adress changer and much more!