Mozilla Thunderbird
brew install --cask thunderbird
v152.0
Free, open-source email and calendar client with POP3, IMAP, and news reader support.
Why you might care
Thunderbird is lightweight, fully open-source, and requires no subscription or cloud account—ideal if you want to own your email setup locally. It's highly customizable via add-ons and handles multiple accounts well, making it popular with users who prioritize privacy and self-hosting over cloud-first services.
1.5k
30-day installs · #219
4.8k
90-day · #213
18.3k
365-day · #194
Links
- https://www.thunderbird.net/en-US/
- Brew formula source: Casks/t/thunderbird.rb
Blurb generated by claude-haiku-4-5 on today.
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