little-snitch

Install command: 
brew install --cask little-snitch

Name: Little Snitch

Host-based application firewall

https://www.obdev.at/products/littlesnitch/index.html

Cask JSON API: /api/cask/little-snitch.json

Cask code: little-snitch.rb on GitHub

Current version: 6.2.3

Current version requires: macOS >= 14

Conflicts with casks:

little-snitch@4 4.6.1 Host-based application firewall Little Snitch
little-snitch@5 5.8 Host-based application firewall Little Snitch

Analytics:

Installs (30 days)
little-snitch 402
Installs (90 days)
little-snitch 1,434
Installs (365 days)
little-snitch 5,861
Fork me on GitHub