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unar vs Pacifist: catalog facts
unar	Pacifist
Free Free and open source under the LGPL.	Paid A license is sold on the developer's site.
Windows, macOS, Linux, Command line	macOS, Command line
Same format support as The Unarchiver, in a terminal Runs on macOS, Windows and Linux	Reads macOS packages, disk images and common archive formats Lets you inspect install scripts before running an installer
Windows build is slightly outdated No graphical app outside macOS	macOS only Requires a paid license
Downloadable app	Downloadable app
Open source	Closed source
License: LGPL-2.1-or-later	License not stated
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 1, 2026

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