Compare software

Mutt vs aerc: catalog facts
Mutt	aerc
Free Free and open source.	Free Free and open source under the MIT licence.
macOS, Linux, Command line	macOS, Linux, Command line
Keyboard-driven and fast Works well over SSH	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
Steep learning curve No graphical interface	Terminal only, with vim-style keybindings to learn HTML mail rendering is a terminal browser, so complex newsletters look poor
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: MIT
No account needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 21, 2026

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