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rustic vs BorgBackup: catalog facts
rustic	BorgBackup
Free The open-source application is available without a license fee.	Free Free and open source, with no paid edition.
Windows, macOS, Linux	Linux, macOS, Command line
Uses the established restic repository format	Content-defined chunking that survives files being renamed, moved or shifted around Authenticated AES encryption, so an untrusted backup server only ever sees ciphertext
It is younger than restic and compatibility should be checked for your workflow.	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
Downloadable app	Downloadable app
Open source	Open source
License not stated	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.