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atool vs patool: catalog facts
atool	patool
Free Free and open source under the GPL-2.0-or-later license.	Free Free and open source.
Command line	Command line
One command-line interface for several archive formats Extracts into a new directory to avoid scattering files	One command set for many archive formats Can repack archives between formats and compare them
Archive support depends on external programs Identifies archives mainly by file extension	Depends on external archive programs for many formats No graphical interface
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0-or-later	License not stated
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 October 8, 2026	Official website Full listing and sources Checked October 1, 2026

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