TCPView - TCPView is a Windows program that will show you detailed listings of all TCP and UDP endpoints on...
Fping (open source) - fping is a program to send ICMP echo probes to network hosts, similar to ping, but much better performing when pinging multiple hosts.
CurrPorts - CurrPorts displays the list of all currently opened TCP/IP and UDP ports on your local computer.
NetCrunch Tools - Our free network tools offer ping scanning, SNMP scanning, port and network service scanning, and more.
Zenmap - Zenmap is the official cross-platform GUI for the Nmap Security Scanner.
NetTK - NetTK, Network Tool Kit, is an Open Source alternative for monitoring and troubleshooting your...