SmokePing - Smokeping is a tool for measuring latency.
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.
GPING - GPING (Graphical Ping) is a powerful utility that pings and graphs multiple hosts simultaneously...
Ping Meter Gadget - Customizable, graphical, semi-transparent ping (latency) meter.
PingPlotter - PingPlotter is a troubleshooting tool that helps IT professionals and neophytes identify, diagnose, and resolve network issues.
NetCrunch Tools - Our free network tools offer ping scanning, SNMP scanning, port and network service scanning, and more.