Open Nettest - Open Nettest is a platform for collecting, processing and visualizing data related QoS and QoE.
Winsock Packet Editor - WPE Pro is a packet editor.
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.
Scapy - Scapy is a powerful interactive packet manipulation program.
NetCrunch Tools - Our free network tools offer ping scanning, SNMP scanning, port and network service scanning, and more.
packeth - packeth is GUI and CLI packet generator tool for ethernet.