A comprehensive set of FREE network tools: Port/Network Scanner - finds all the nodes in a network, NetStat - lists local connections, Service & Port Scanner - checks for all open ports and running services, TCP/IP Workshop - troubleshoots and tests different networking services, NetCheck - checks the quality of network hardware; graphical Ping, fast Traceroute, LookUp, Local info, Bandwidth measuring - all with a highly intuitive user interface.
Free download