netiquette

Install command: 
brew install --cask netiquette

Name: Netiquette

Network monitor

https://objective-see.org/products/netiquette.html

Cask JSON API: /api/cask/netiquette.json

Cask code: netiquette.rb on GitHub

Current version: 2.3.0

Current version requires: macOS >= 10.15

Analytics:

Installs (30 days)
netiquette 40
Installs (90 days)
netiquette 129
Installs (365 days)
netiquette 572