NetSpeedMonitor - NetSpeedMonitor is a lightweight Network Monitoring Toolbar for your Windows Taskbar
Venmon - Compact size system resources monitoring utility and multi-ping tool for Windows
TrafficMonitor - TrafficMonitor is a network monitoring suspension window software in Windows.
TinyResMeter - TinyResMeter is a small tool that displays useful information about system resources in real time...
Network Lights - Network Lights is a Windows program, which blinks keyboard LEDs (Light Emitting Diode) indicating outgoing and incoming network packets on network interface.
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.