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NeoMuttnmail
Free

Free and open source under the GPL.

 Free

Free and open source under the MIT and GPL-2.0 licenses.

macOS, Linux, Command line macOS, Linux, Command line
  • Collects and maintains the Mutt patches that were previously scattered
  • Notmuch tags and IMAP keywords as custom mailbox tags
  • IMAP and SMTP support
  • Searches local cache and server messages
  • Terminal only, with a configuration file that must be written before it is useful
  • Mutt's keybindings and terminology take real time to learn
  • Does not support multiple email accounts in a single session.
  • Does not provide a threaded view.
Downloadable app Downloadable app
Open source Open source
License: GPL-2.0 License: MIT, GPL-2.0
No account needed Not stated if an account is needed
Works offline Works offline

Checked September 21, 2026

Checked October 8, 2026

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