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NeoMutt vs mblaze: catalog facts
NeoMutt	mblaze
Free Free and open source under the GPL.	Free Free, with the source code published on GitHub.
macOS, Linux, Command line	macOS, Linux, Command line
Collects and maintains the Mutt patches that were previously scattered Notmuch tags and IMAP keywords as custom mailbox tags	Small composable commands that work in shell pipelines Works directly on standard Maildir folders
Terminal only, with a configuration file that must be written before it is useful Mutt's keybindings and terminology take real time to learn	No graphical or full-screen interface Needs a separate program to fetch and send mail
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0	License not stated
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked October 1, 2026

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