BitMeter OS is a free, open-source, bandwidth monitor that works on Windows, Linux and Mac OSX. BitMeter OS keeps track of how much you use your internet/network connection, and allows you to view this information either via a web browser, or by using the command line tools.
BitMeter 2 is a bandwidth meter, it allows you to visually monitor your internet connection by displaying a scrolling graph that shows your upload and download speed over time. BitMeter is freeware - ie. It is given away completely free of charge, there is no trial period, no time-limited features, no spyware, and no adware, guaranteed.
The different colours on the graph represent your upload and download speeds, the display updates every second, and the current speeds are also displayed numerically in the lower part of the window. Version History for BitMeter 2: Added Windows 8.1 support by targeting.NET Runtime 4.5.1 Minor bug fixes Limitations: Requires.