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Duplicity vs rustic: catalog facts
Duplicity	rustic
Free Free and open source under the GPL.	Free The open-source application is available without a license fee.
macOS, Linux, Command line	Windows, macOS, Linux
Encrypts and signs everything before it leaves the machine Supports a very wide range of remote storage back ends	Uses the established restic repository format
Long incremental chains make restores slow and fragile Periodic full backups are needed to keep chains manageable	It is younger than restic and compatibility should be checked for your workflow.
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 22, 2026

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