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BorgBackup vs rustic: catalog facts
BorgBackup	rustic
Free Free and open source, with no paid edition.	Free The open-source application is available without a license fee.
Linux, macOS, Command line	Windows, macOS, Linux
Content-defined chunking that survives files being renamed, moved or shifted around Authenticated AES encryption, so an untrusted backup server only ever sees ciphertext	Uses the established restic repository format
Primarily a Unix tool; on Windows it needs WSL or Cygwin rather than a native build Borg 2 is still in beta, ships breaking changes between betas and should not hold production backups	It is younger than restic and compatibility should be checked for your workflow.
Downloadable app	Downloadable app
Open source	Open source
License: BSD-2-Clause	License not stated
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 20, 2026	Official website Full listing and sources Checked September 22, 2026

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