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NeoMuttHimalaya
Free

Free and open source under the GPL.

 Free

The open-source software is available without a license fee. Hosting, hardware and…

macOS, Linux, Command line Windows, macOS, Linux, Command line
  • Collects and maintains the Mutt patches that were previously scattered
  • Notmuch tags and IMAP keywords as custom mailbox tags
  • Supports several mail protocols and local mailbox formats.
  • Terminal only, with a configuration file that must be written before it is useful
  • Mutt's keybindings and terminology take real time to learn
  • Mail authentication and account configuration are required.
Downloadable app Downloadable app
Open source Open source
License: GPL-2.0 License: MIT OR Apache-2.0
No account needed Not stated if an account is needed
Works offline Not stated if it works offline

Checked September 21, 2026

Checked September 22, 2026

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