SmokePing - Smokeping is a tool for measuring latency.
Venmon - Compact size system resources monitoring utility and multi-ping tool for Windows
PingPlotter - PingPlotter is a troubleshooting tool that helps IT professionals and neophytes identify, diagnose, and resolve network issues.
Taskbar Meters - Incredibly simple meters that live in the Windows 7 task bar.
mtr - mtr combines the functionality of the 'traceroute' and 'ping' programs in a single...
Mousotron - Mousotron is a mouse and keyboard activity monitor and keeps statistics of your mileage. It's like an odometer or tripometer for your mouse cursor.