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BorgBackuprsnapshot
Free

Free and open source, with no paid edition.

 Free

Free and open source under the GPL.

Linux, macOS, Command line macOS, Linux, Command line
  • Content-defined chunking that survives files being renamed, moved or shifted around
  • Authenticated AES encryption, so an untrusted backup server only ever sees ciphertext
  • Every snapshot is a browsable directory, so restoring is just copying a file
  • Hard links make dozens of retained snapshots cheap in disk space
  • 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
  • No encryption or compression of its own
  • Hard links mean the backup destination must be a filesystem that supports them
Downloadable app Downloadable app
Open source Open source
License: BSD-2-Clause License: GPL-2.0
No account needed Not stated if an account is needed
Works offline Not stated if it works offline

Checked September 20, 2026

Checked September 22, 2026

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