Compare software

mblaze vs aerc: catalog facts
mblaze	aerc
Free Free, with the source code published on GitHub.	Free Free and open source under the MIT licence.
macOS, Linux, Command line	macOS, Linux, Command line
Small composable commands that work in shell pipelines Works directly on standard Maildir folders	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
No graphical or full-screen interface Needs a separate program to fetch and send mail	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
Works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 21, 2026

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