nperf

Install command: 
brew install --cask nperf

Name: nPerf

Internet speed test utility

https://www.nperf.com/

Development: Pull requests

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

Cask code: nperf.rb on GitHub

Current version: 2.15.11

Requirements: macOS >=

Versions:

Intel tahoe 2.15.11
sequoia 2.15.11
sonoma 2.15.11
ventura 2.15.11
monterey 2.15.11
big sur 2.15.11
catalina 2.15.11

Analytics:

Installs (30 days)
nperf 16
Installs (90 days)
nperf 83
Installs (365 days)
nperf 350