Wireshark is a powerful, cross-platform network protocol analyzer. Wireshark`s powerful features make it the tool of choice for network troubleshooting, protocol development, and education worldwide.

Internet Access Monitor for Squid is a software for monitoring the efficiency of your company Internet bandwidth usage. Using this product you can easily find out who, when, where to, where from and what accessed the Internet.

Full Feature logging and traffic analysis software for routers running DD-WRT, Tomato etc firmware (eg Linksys WRT54G,WRT160) featuring 20 different reports and graphs and much more to help you understand and manage your network traffic and security.

LAN and WLAN Sniffer. A program for low-level 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 and many others.

TracePlus/Ethernet is a powerful network monitoring, performance tool supporting 10-1000 MB/s Ethernet networks. 32 and 64 bit drivers are compatible with all Windows platforms. Supports IPv6, ICMPv6, and VLAN features of the 802.1Q/802.1P protocols.