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NeoMutt

Feature-rich terminal email client

Mail Servers ★ 3.9k stars Medium setup GPL-2.0

NeoMutt is a command-line email client that builds on Mutt with additional features and patches integrated. It supports IMAP, POP3, notmuch, and a highly customizable keyboard-driven interface.

Official siteSource code

Key features

  • Terminal email client
  • IMAP, POP3, and notmuch
  • Highly customizable
  • Keyboard-driven

Strengths

  • Released under the GPL-2.0 license
  • Active community (3.9k GitHub stars)
  • Written in C
  • Tiny footprint — runs in 64 MB RAM

Is NeoMutt secure?

No known vulnerabilities affect NeoMutt's latest release (20260616). OSV.dev lists 18 past advisories for the project; none of them applies to this release. No known vulnerabilities is not proof of security: it means none have been publicly catalogued.

  • Most recent fixed advisory CVE-2021-32055, published 2021-05-05 (1988 days ago), fixed in 2.0.7

Source: OSV.dev, checked 2026-10-14. How this is measured.

NeoMutt replaces

Self-hosted Microsoft Outlook alternatives

Health badge

Maintain NeoMutt? Add its health score to your README. The badge links back to this page.

SelfHostIndex: 90 · excellent

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   :alt: SelfHostIndex health score for NeoMutt
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The score is recomputed on every nightly rebuild from public repository data — see how it is calculated.

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