tripmode

Install command: 
brew install --cask tripmode

Name: TripMode

Control your data usage on slow or expensive networks

https://www.tripmode.ch/

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

Cask code: tripmode.rb on GitHub

Current version: 3.2.4,1385

Requirements: macOS >= 10.15

Versions:

Intel catalina 2.3.0,818

Analytics:

Installs (30 days)
tripmode 30
Installs (90 days)
tripmode 89
Installs (365 days)
tripmode 447