BitMeter OS keeps track of how much you use your internet/network connection, and allows you to view this information in a variety of ways.Discontinued
Cannot install version 0.8.0 experimental or 0.7.6 stable on Monterey: "The package is incompatible with this version of macOS. The package is trying to install content to the system volume"
BitMeter OS vs DU Meter opinions
Smart Traffic Meter is a Linux network usage monitor. The program shows real-time graphs and reports. Smart Traffic Meter runs as a system daemon and displays all information in a web user interface accessible through a web browser.
Smart Traffic Meter vs DU Meter opinions
Because the program makes it possible to monitor both local and remote computers and is managed though a web user interface.
KNemo displays for every network interface an icon in the systray. Tooltips and an info dialog provide further information about the interface. Passive popups inform about interface changes. A traffic plotter is also integrated.