thunderbird@daily

Install command: 
brew install --cask thunderbird@daily

Name: Mozilla Thunderbird Daily

Customizable email client

https://www.thunderbird.net/en-US/download/daily/

Development: Pull requests

Cask JSON API: /api/cask/thunderbird@daily.json

Cask code: thunderbird@daily.rb on GitHub

Current version: 149.0a1,2026-01-19-09-41-59

Requirements: macOS >= 10.15

Analytics:

Installs (30 days)
thunderbird@daily 5
Installs (90 days)
thunderbird@daily 12
Installs (365 days)
thunderbird@daily 76