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Cone vs NeoMutt: catalog facts
Cone	NeoMutt
Free Free open-source software.	Free Free and open source under the GPL.
Linux, Command line	macOS, Linux, Command line
Multiple IMAP and POP3 accounts plus local maildirs Built-in editor with spell checking	Collects and maintains the Mutt patches that were previously scattered Notmuch tags and IMAP keywords as custom mailbox tags
Text-only interface Images and PDFs need external viewer programs	Terminal only, with a configuration file that must be written before it is useful Mutt's keybindings and terminology take real time to learn
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: GPL-2.0
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 21, 2026

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