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Kopia vs KBackup: catalog facts
Kopia	KBackup
Free Free and open source, with no paid edition.	Free Free and open source under the GPL-2.0-or-later licence.
Windows, macOS, Linux, Command line	Linux
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	Profile files define included and excluded folders and files Backs up to local drives or any remote URL
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	Linux only Plain tar archives rather than deduplicated or encrypted snapshots
Downloadable app	Downloadable app
Open source	Open source
License: Apache-2.0	License: GPL-2.0-or-later
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 20, 2026	Official website Full listing and sources Checked October 1, 2026

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