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Keelhaven vs Kopia: catalog facts
Keelhaven	Kopia
Free Keelhaven is free and open source under GPLv3.	Free Free and open source, with no paid edition.
macOS	Windows, macOS, Linux, Command line
Schedules backups and verifies repositories Encrypts data on the Mac	A desktop app and a command line tool that share the same repository format End-to-end encryption with keys you control, plus compression and deduplication
Runs on macOS 14 or later. Restores whole snapshots into a new folder; it does not browse snapshots to restore individual files.	Backs up the files and folders you choose; it is not a whole-disk imaging tool Still pre-1.0, so repository format changes between versions are possible
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: Apache-2.0
No account needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 8, 2026	Official website Full listing and sources Checked September 20, 2026

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