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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.

Categories

Alternatives

Apple Mail Outlook Spark Gmail
1.5k
30-day installs · #219
4.8k
90-day · #213
18.3k
365-day · #194

Links

Blurb generated by claude-haiku-4-5 on today.

Raw metadata
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  "alternatives": [
    "Apple Mail",
    "Outlook",
    "Spark",
    "Gmail"
  ],
  "artifacts": [
    {
      "app": [
        "Thunderbird.app"
      ],
      "target": "/Applications/Thunderbird.app"
    },
    {
      "zap": [
        {
          "rmdir": "~/Library/Caches/Mozilla",
          "trash": [
            "~/Library/Application Support/com.apple.sharedfilelist/com.apple.LSSharedFileList.ApplicationRecentDocuments/org.mozilla.thunderbird*.sfl*",
            "~/Library/Caches/Mozilla/updates/Applications/Thunderbird*",
            "~/Library/Caches/Thunderbird",
            "~/Library/Preferences/org.mozilla.thunderbird*.plist",
            "~/Library/Saved Application State/org.mozilla.thunderbird*.savedState",
            "~/Library/Thunderbird"
          ]
        }
      ]
    }
  ],
  "auto_updates": 1,
  "categories": [
    "mail",
    "productivity"
  ],
  "deprecated": 0,
  "deprecation_reason": null,
  "desc": "Customizable email client",
  "disable_reason": null,
  "disabled": 0,
  "display_name": "Mozilla Thunderbird",
  "enrichment_fetched_at": "2026-06-20T22:50:25+00:00",
  "first_seen": "2026-06-20T00:47:34+00:00",
  "full_token": "thunderbird",
  "github_default_branch": null,
  "github_last_commit_at": null,
  "github_readme_excerpt": null,
  "github_repo": null,
  "github_stars": null,
  "github_topics": [],
  "homepage": "https://www.thunderbird.net/en-US/",
  "homepage_og_description": "Thunderbird is a free email application that\u2019s easy to set up and customize - and it\u2019s loaded with great features!",
  "homepage_og_image": "https://www.thunderbird.net/media/img/thunderbird/thunderbird-256.png",
  "homepage_title": "Thunderbird \u2014 Free Your Inbox. \u2014 Thunderbird",
  "installs_30d": 1508,
  "installs_365d": 18295,
  "installs_90d": 4819,
  "last_seen": "2026-06-20T00:47:34+00:00",
  "llm_generated_at": "2026-06-20T23:03:27+00:00",
  "llm_model": "claude-haiku-4-5",
  "names": [
    "Mozilla Thunderbird"
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  "one_liner": "Free, open-source email and calendar client with POP3, IMAP, and news reader support.",
  "rank_30d": 219,
  "rank_365d": 194,
  "rank_90d": 213,
  "raw_hash": "17112e2b033fa0b5",
  "ruby_source_path": "Casks/t/thunderbird.rb",
  "tap": "homebrew/cask",
  "token": "thunderbird",
  "version": "152.0",
  "why_use_this": "Thunderbird is lightweight, fully open-source, and requires no subscription or cloud account\u2014ideal if you want to own your email setup locally. It\u0027s 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."
}