Compare software

aerc vs Mutt: catalog facts
aerc	Mutt
Free Free and open source under the MIT licence.	Free Free and open source.
macOS, Linux, Command line	macOS, Linux, Command line
Composes in an embedded terminal, so you can read other mail while replying Built for the git mailing-list patch workflow, with diff highlighting and repo tabs	Keyboard-driven and fast Works well over SSH
Terminal only, with vim-style keybindings to learn HTML mail rendering is a terminal browser, so complex newsletters look poor	Steep learning curve No graphical interface
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License not stated
No account needed	No account needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked September 24, 2026

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