iftop does for network usage what top(1) does for CPU usage. It listens to network traffic on a named interface and displays a table of current bandwidth usage by pairs of hosts. Handy for answering the question "why is our ADSL link so slow?".


iftop is the most popular Linux alternative to bwm-ng.
iftop is the most popular Open Source & free alternative to bwm-ng.
- iftop is Free and Open Source

