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meli vs Himalaya: catalog facts
meli	Himalaya
Free Free and open source under the GPLv3.	Free The open-source software is available without a license fee. Hosting, hardware and…
macOS, Linux, Command line	Windows, macOS, Linux, Command line
Supports IMAP, Maildir, notmuch, JMAP and mbox Plain text configuration with sane defaults	Supports several mail protocols and local mailbox formats.
Described by its developers as experimental Non-UTF-8 encodings are read-only	Mail authentication and account configuration are required.
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: MIT OR Apache-2.0
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 22, 2026

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