BWMeter is a tiny but powerful broadband/traffic monitor and controller based on WinpkFilter network drivers. It can perform real-time measure and control to any Internet/Network traffic through your computer. Meanwhile, it visually shows them in the way of chart.
DU Meter is a very compact, simple and reliable network traffic monitoring software for personal computers or web servers. It's very professional, intuitive and takes few resources.
NetMeter is designed for those guys who wish to know their upload and download speed. If you want to know whether you have made full use of your bandwidth traffic, NetMeter is your ideal choice.