Compare software

Mutt vs nmail: catalog facts
Mutt	nmail
Free Free and open source.	Free Free and open source under the MIT and GPL-2.0 licenses.
macOS, Linux, Command line	macOS, Linux, Command line
Keyboard-driven and fast Works well over SSH	IMAP and SMTP support Searches local cache and server messages
Steep learning curve No graphical interface	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 not stated	License: MIT, GPL-2.0
No account needed	Not stated if an account is needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked October 8, 2026

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