Compare software

mu vs alot: catalog facts
mu	alot
Free Free to download, with source code on GitHub.	Free Free and open source.
Linux, Command line	Linux, Command line
Fast indexing and detailed search of Maildir mail mu4e gives a full email client inside Emacs	Fast search and tagging through notmuch Keyboard and command-prompt driven interface
Works only with Maildir storage; mail must be fetched separately The client side requires Emacs	Needs notmuch and separate tools to fetch and send mail Terminal only, with no graphical interface
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: GPL-3.0
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 24, 2026

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