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zpaqfranz vs lrzip: catalog facts
zpaqfranz	lrzip
Free The open-source software is available without a license fee. Hosting, hardware and…	Free Free to use with source on GitHub.
Windows, macOS, Linux, Command line	Linux, Command line
Uses deduplication to retain multiple backup snapshots.	Finds redundancy far apart in very large files Includes LZMA and ZPAQ compression back ends
Restoring its archive format requires a compatible tool.	Newer format is not backward compatible with older versions Gains are small on small files
Downloadable app	Downloadable app
Open source	Closed 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.