LanFlow Net Diagrammer LanFlow is a drawing tool for laying out, designing, and documenting a network, LAN, internet, or other communications system.
Securepoint Network Test Tool The Securepoint Network Test Tool allows you to analyse the
traffic and content of your network. It includes a sniffer and many more.
The tool is freeware and works under Windows98, NT, 2000, XP and ME.
VFWH monitor -- VFWH Monitor has the ability to calculate and graph all
the network traffic between local machine and any other machines.
Ultra Network Sniffer Ultra Network Sniffer will capture all of network packets in real-time from multi network card (Include Modem,ISDN,ADSL) and also support capturing packet base on the application(SOCKET,TDI etc).
PRTG - Paessler Router Traffic Grapher An easy to use Windows solution that monitors and classifies bandwidth and network usage. The software supports SNMP, packet sniffing and netflow to generate live readings and trend data to optimize the efficiency of your network components.