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UnRAR vs bsdtar (libarchive): catalog facts
UnRAR	bsdtar (libarchive)
Free Freeware under the RARLAB licence; creating RAR archives needs the paid WinRAR or RAR.	Free Free and open source with no paid tier.
Windows, Command line	Windows, Linux, Command line
Official RAR extractor from the format's developer Free to use	One tool reads many formats, including zip, rar and ISO Automatic format and compression detection
Extraction only, cannot create RAR archives Not open source	Writes fewer formats than it reads; rar is read-only Command-line only
Downloadable app	Downloadable app
Closed source	Open source
License: Freeware	License: BSD-2-Clause
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 23, 2026

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