Free Tcpdump Downloads
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TCPDUMP for Windows is a clone of TCPDUMP for UNIX systems, the popular command-line packet capture tool. An advantage of TCPDUMP for Windows is that (1) it supports 1Gbit networks and (2) it is portable, i.e. it works from removable devices.
Simkl Tray gives you easy access to Simkl IM History Viewer from your PC. Simkl allows you to consolidate all your IMs - ICQ, AIM, Yahoo, or MSN. It's a Web application that collects all your instant messaging conversations on their servers... Free!
LAN/Wi-Fi/IM sniffer Captures ICQ, IRC, Email, HTTP and other messages. Allows to capture all network traffic even in switched LAN. Sniffer supports parsing of following protocols: IP, TCP and many others.