Free network monitor for Windows based networks with user and device tracking, monitors and network search capabilities. There is also support for SNMP and WMI queries. Everything is presented in an easy-to-learn user interface, and because of the fact that DomainScan is using existing network technologies, no client software needs installing.

Track network usage with Daniele Giabbai’s Net Meter. The program also features a system tray icon and Visual Basic 6 source code.

This program monitors network downloads and sorts by domestic and international traffic. It displays downloads as percentages of stored quota. The program supports downloads from 173 countries.

Monitor both encrypted and unencrypted network traffic for protocols such as Web, mail, FTP and telnet. It shows individual connections and groups the data sent by client and servers.

Colasoft MAC Scanner is a scan tool using to scan IP address and MAC address. It can automatically detect all subnets according to the IP addresses configured on multiple NICs of a machine and scan the MAC addresses and IP addresses of defined subnets as your need. Users can custom own scan process by specifying the subsequent threads.