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7-Zip vs bsdtar (libarchive): catalog facts
7-Zip	bsdtar (libarchive)
Free Free software with open source. The site states you can use 7-Zip on any computer…	Free Free and open source with no paid tier.
Windows, Linux, macOS, Command line	Windows, Linux, Command line
High compression ratio in the 7z format with LZMA and LZMA2 Packs 7z, XZ, BZIP2, GZIP, TAR, ZIP and WIM and unpacks dozens more, including RAR, ISO, MSI and…	One tool reads many formats, including zip, rar and ISO Automatic format and compression detection
The Linux and macOS builds are console versions; there is no official graphical app on those platforms The Windows interface has not changed much in twenty years	Writes fewer formats than it reads; rar is read-only Command-line only
Downloadable app	Downloadable app
Open source	Open source
License: LGPL-2.1	License: BSD-2-Clause
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 20, 2026	Official website Full listing and sources Checked September 23, 2026

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