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p7zip vs 7-Zip-zstd: catalog facts
p7zip	7-Zip-zstd
Free Free and open source.	Free The software is free under its open-source licence. Hosting, hardware and external…
macOS, Linux, Command line	Windows, Linux
Brings 7-Zip's strong compression ratios to Linux and macOS from the command line Widely bundled in Linux distributions, so it's readily available	It keeps the familiar 7-Zip interface and Explorer menu while adding modern codecs, and it can be installed…
Command-line only, no bundled graphical interface Development has slowed compared to the original Windows 7-Zip project	Archives that use the added codecs will not open in stock 7-Zip, so they are not safe to…
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: BSD-3-Clause
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 22, 2026

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