IRC, EMail, AIM, SMB, MSN, ICQ sniffer. A program that intercepts messages and user details, including passwords, across the whole LAN in real time. Supports monitor mode in WLANs. It is possible to receive and view all these messages to and from all LAN users in the same time they will receive or send it. All intercepted messages are also stored in files, which can be later processed and analyzed.

Give Me Too is an easy-to-use program that controls all network traffic, secretly captures all visited Web pages, all incoming and outgoing emails and stores them to a folder of your choice. You can view the captured data using standard tools (browser and e-mail client). This program lets you monitor the activity of other users in your local network, control online behavior and communications of your children, spouse or employees.

Extremely powerful tool in hands of parents worried about their children e-mail correspondence as well as employers concerned with the abuses of corporation mail infrastructure.

Capture e-mails directly from the network, as well as from BillSniff/Ethereal/tcpdump and other sniffers, log files, customize the functionality creating complex filters using Python scripting language, stay informed turning on alarms and generating reports.

MicroOLAP TCPDUMP for Windows accurately reproduces all features of the original tcpdump by LBNL's Network Research Group , developed for the UNIX systems.
Since MicroOLAP TCPDUMP for Windows is compiled with the Packet Sniffer SDK, it has the following advantages:

does not require any third-party preinstalled drivers;
works from the single 300K .EXE file;
supports 1Gbit networks;
may be launched remotely using remote admin tools.

LAN and WLAN Sniffer.
A program for low-level network packets capturing and analyzing in
real-time. Allows to capture all network traffic even in switched LAN.
Sniffer supports parsing of following protocols: IP, TCP, UDP and many others,
Also includes: tcpdump, tcpflow, tcpstat.