Compare software

mumblaze
Free

Free to download, with source code on GitHub.

 Free

Free, with the source code published on GitHub.

Linux, Command line macOS, Linux, Command line
  • Fast indexing and detailed search of Maildir mail
  • mu4e gives a full email client inside Emacs
  • Small composable commands that work in shell pipelines
  • Works directly on standard Maildir folders
  • Works only with Maildir storage; mail must be fetched separately
  • The client side requires Emacs
  • No graphical or full-screen interface
  • Needs a separate program to fetch and send mail
Downloadable app Downloadable app
Open source Open source
License not stated License not stated
No account needed No account needed
Works offline Works offline

Checked September 23, 2026

Checked October 1, 2026

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