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aercHimalaya
Free

Free and open source under the MIT licence.

 Free

The open-source software is available without a license fee. Hosting, hardware and…

macOS, Linux, Command line Windows, 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
  • Supports several mail protocols and local mailbox formats.
  • Terminal only, with vim-style keybindings to learn
  • HTML mail rendering is a terminal browser, so complex newsletters look poor
  • Mail authentication and account configuration are required.
Downloadable app Downloadable app
Open source Open source
License: MIT License: MIT OR Apache-2.0
No account needed Not stated if an account is needed
Works offline Not stated if it works offline

Checked September 21, 2026

Checked September 22, 2026

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