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unar vs UnRAR: catalog facts
unar	UnRAR
Free Free and open source under the LGPL.	Free Freeware under the RARLAB licence; creating RAR archives needs the paid WinRAR or RAR.
Windows, macOS, Linux, Command line	Windows, Command line
Same format support as The Unarchiver, in a terminal Runs on macOS, Windows and Linux	Official RAR extractor from the format's developer Free to use
Windows build is slightly outdated No graphical app outside macOS	Extraction only, cannot create RAR archives Not open source
Downloadable app	Downloadable app
Open source	Closed source
License: LGPL-2.1-or-later	License: Freeware
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 2, 2026

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