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Duplicity vs restic: catalog facts
Duplicity	restic
Free Free and open source under the GPL.	Free Free and open source, with no paid edition.
macOS, Linux, Command line	Windows, macOS, Linux, Command line
Encrypts and signs everything before it leaves the machine Supports a very wide range of remote storage back ends	One static binary with no server, agent or database to install first Content-defined chunking means daily backups only transfer what changed
Long incremental chains make restores slow and fragile Periodic full backups are needed to keep chains manageable	Command line only; any graphical interface or scheduling comes from third-party projects Still pre-1.0, so the project does not yet guarantee backward compatibility across major versions
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0	License: BSD-2-Clause
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 20, 2026

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