Compare software

BorgBackupArq
Free

Free and open source, with no paid edition.

 Paid

Paid software with a 30-day free trial.

Linux, macOS, Command line Windows, macOS
  • Content-defined chunking that survives files being renamed, moved or shifted around
  • Authenticated AES encryption, so an untrusted backup server only ever sees ciphertext
  • Back up to your own cloud storage or local disk
  • End-to-end encryption
  • 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 Linux version
  • Cloud storage is billed separately by your provider
Downloadable app Downloadable app
Open source Closed source
License: BSD-2-Clause License not stated
No account needed Not stated if an account is needed
Works offline Works offline

Checked September 20, 2026

Checked September 23, 2026

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