10 Free Network Analysis Tools, November 11, 2013 Network management can be a tall task without the right statistics and data about traffic flows, device configurations and user activities. The following utilities offer visibility into various aspects of network activity without breaking the bank. Utilizing these free tools gives network managers a better foothold for improving performance, spotting potential problems and nipping security incidents in the bud.
Providing automatic scanning of devices within specified subnets, this tool with the catchy name will draw a map of the network, monitor services running on those devices and automatically alert users to problems with those services. MikroTik's The Dude runs on Windows, Linux Wine, Darwine and MacOS, and supports SNMP, ICMP, DNS and TCP monitoring of devices.