Network Meter is a free portable software program for devices running Microsoft Windows that displays network statistics in its interface.
The program is designed as a basic tool to monitor network traffic. While it does offer a history function, it is not a full blown network monitor as it keeps to the basics.
The program opens with a near-blank screen which can be quite confusing on first start. You need to select one of the available network adapters under the Monitor menu to start monitoring traffic.