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Kopia vs Disk ARchive (dar): catalog facts
KopiaDisk ARchive (dar)
Free

Free and open source, with no paid edition.

Free

Free; source code and static binaries are published.

Windows, macOS, Linux, Command line Linux, Command line
  • A desktop app and a command line tool that share the same repository format
  • End-to-end encryption with keys you control, plus compression and deduplication
  • Differential and incremental backups alongside full archives
  • Built-in compression and encryption
  • Backs up the files and folders you choose; it is not a whole-disk imaging tool
  • Still pre-1.0, so repository format changes between versions are possible
  • Command line only
  • Several parallel branches can make choosing a version confusing
Downloadable app Downloadable app
Open source Open source
License: Apache-2.0 License not stated
No account needed No account needed
Works offline Works offline

Checked September 20, 2026

Checked September 24, 2026

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