BANDWHICH
Credit: https://github.com/imsnif/bandwhich
Almost all desktop distributions feature a graphical system monitor utility that can be used to track usage of vital system resources such as memory, SWAP, CPU, and even network history – specifically the amount of data that you’ve downloaded or uploaded. As useful as this is, such tools don’t inform you of the amount of data transmitted by individual applications. If this is the sort of information you’re after, Bandwhich is meant for you.
Written in Rust and released under the MIT license, the utility follows the