waterfox

Install command: 
brew install --cask waterfox

Name: Waterfox

Web browser

https://www.waterfox.net/

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

Cask code: waterfox.rb on GitHub

Current version: 6.6.3

Requirements: macOS >= 10.15

Analytics:

Installs (30 days)
waterfox 233
Installs (90 days)
waterfox 546
Installs (365 days)
waterfox 1,998