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ouch vs unar: catalog facts
ouch	unar
Free The software is free under its open-source licence. Hosting, hardware and external…	Free Free and open source under the LGPL.
Windows, macOS, Linux, Command line	Windows, macOS, Linux, Command line
One command handles tar, zip, gzip, bzip, xz, zstand and more, picking the format from the file name…	Same format support as The Unarchiver, in a terminal Runs on macOS, Windows and Linux
It wraps the common formats rather than replacing specialist tools, and it has no interface beyond the terminal.	Windows build is slightly outdated No graphical app outside macOS
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: LGPL-2.1-or-later
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 October 1, 2026

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