iftop

Install command: 
brew install iftop

Display an interface's bandwidth usage

https://pdw.ex-parrot.com/iftop/

License: GPL-2.0-or-later

Formula JSON API: /api/formula/iftop.json

Formula code: iftop.rb on GitHub

Bottle (binary package) installation support provided for:

macOS on
Apple Silicon		 tahoe ✅
sequoia ✅
sonoma ✅
ventura ✅
monterey ✅
big sur ✅
macOS on
Intel		 sonoma ✅
ventura ✅
monterey ✅
big sur ✅
catalina ✅
Linux ARM64 ✅
x86_64 ✅

Current versions:

stable ✅ 1.0pre4
head ⚡️ HEAD
iftop requires root privileges so you will need to run `sudo iftop`.
You should be certain that you trust any software you grant root privileges.

Analytics:

Installs (30 days)
iftop 417
Installs on Request (30 days)
iftop 417
Build Errors (30 days)
iftop 0
Installs (90 days)
iftop 1,323
Installs on Request (90 days)
iftop 1,318
Installs (365 days)
iftop 5,303
iftop --HEAD 8
Installs on Request (365 days)
iftop 5,299
iftop --HEAD 8