NetCut - NetCut is a Software that helps you admin your network by purely on ARP protocol.
Ping Meter Gadget - Customizable, graphical, semi-transparent ping (latency) meter.
SelfishNet - Block anyone or any device from using your internet
NetTK - NetTK, Network Tool Kit, is an Open Source alternative for monitoring and troubleshooting your...
CSArp-Netcut - An arpspoofing program that lets users launch spoofed arp requests to disrupt connections in a LAN
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.