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zpaqfranz vs Disk ARchive (dar): catalog facts
zpaqfranz	Disk ARchive (dar)
Free The open-source software is available without a license fee. Hosting, hardware and…	Free Free; source code and static binaries are published.
Windows, macOS, Linux, Command line	Linux, Command line
Uses deduplication to retain multiple backup snapshots.	Differential and incremental backups alongside full archives Built-in compression and encryption
Restoring its archive format requires a compatible tool.	Command line only Several parallel branches can make choosing a version confusing
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License not stated
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 24, 2026

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