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MacPacker vs ShichiZip: catalog facts
MacPacker	ShichiZip
Free Free and open source, available directly or from the App Store.	Free Free, with source code on GitHub.
macOS	macOS
Browse archives without extracting them Opens nested archives directly	Full 7-Zip format support Native macOS interface
Creating and editing is limited to ZIP macOS only	macOS only Small single-developer project
Downloadable app	Downloadable app
Open source	Closed source
License not stated	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.