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FoxmailMailbird
Free

Free to download.

 Paid

Paid desktop app, sold as a one-time or subscription license.

Windows, macOS Windows, macOS
  • Handles very large mailboxes
  • Built-in notes synced with QQMail
  • Unifies multiple email accounts and providers into one inbox
  • App integrations reduce the need to switch to separate tools
  • Changelog gives little detail beyond bug fixes
  • Note sync is tied to Tencent's QQMail
  • Windows and macOS only
  • Full feature set requires a paid license
Downloadable app Downloadable app
Closed source Closed source
License not stated License not stated
Not stated if an account is needed Not stated if an account is needed
Not stated if it works offline Not stated if it works offline

Checked October 1, 2026

Checked September 22, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.