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ConeHimalaya
Free

Free open-source software.

 Free

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

Linux, Command line Windows, macOS, Linux, Command line
  • Multiple IMAP and POP3 accounts plus local maildirs
  • Built-in editor with spell checking
  • Supports several mail protocols and local mailbox formats.
  • Text-only interface
  • Images and PDFs need external viewer programs
  • Mail authentication and account configuration are required.
Downloadable app Downloadable app
Open source Open source
License not stated 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 October 1, 2026

Checked September 22, 2026

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