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.
Proxifier - Proxifier extends the advantages of a proxy server to network applications that don't natively support it.
Ping Meter Gadget - Customizable, graphical, semi-transparent ping (latency) meter.
Proxycap - ProxyCap empowers you to divert your PC’s system associations through intermediary servers.
OpenSpeedTest - Broadband Internet Speed Test Unlocked!
Proxychains - About proxychains tool: * It's a proxifier. * Latest version: 3.1