Compare software

Plakar vs Kopia: catalog facts
Plakar	Kopia
Free Free and open source.	Free Free and open source, with no paid edition.
Linux, Self-hosted, Command line	Windows, macOS, Linux, Command line
Encrypted, deduplicated snapshots Web interface for browsing and restoring backups	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
Command-line oriented setup Younger project than established tools like restic or Borg	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
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: Apache-2.0
Not stated if an account is needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 20, 2026

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