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mblaze vs Mutt: catalog facts
mblaze	Mutt
Free Free, with the source code published on GitHub.	Free Free and open source.
macOS, Linux, Command line	macOS, Linux, Command line
Small composable commands that work in shell pipelines Works directly on standard Maildir folders	Keyboard-driven and fast Works well over SSH
No graphical or full-screen interface Needs a separate program to fetch and send mail	Steep learning curve No graphical interface
Downloadable app	Downloadable app
Open source	Open source
License not stated	License not stated
No account needed	No account needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 24, 2026

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