NeoMutt is a keyboard-driven terminal email client for Linux and macOS, a modern fork of Mutt loaded with extra patches and features. It integrates cleanly with GnuPG for OpenPGP and also handles S/MIME, giving encryption power users full control. It is open source, free, and endlessly configurable, with IMAP, POP3, and Notmuch search built in. The steep learning curve and text-only interface put it firmly in expert territory. If you want a fast, scriptable mail workflow, little else compares.

NeoMutt
Keyboard-driven terminal email client for power users.
neomutt.org
FreeOpen SourceE2E EncryptedLinuxmacOSOpen-source project
Pricing Free and open source; no paid tiers.
Strengths
- OpenPGP via GnuPG and S/MIME support
- Extremely configurable and scriptable
- Open source (GPL-2.0) and free
- Fast, lightweight terminal workflow
Considerations
- Steep learning curve, text-only interface
- No graphical or mobile version
Listed in Email Clients




