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ISx vs Universal Extractor 2: catalog facts
ISx	Universal Extractor 2
Free Free and open source under the MIT licence.	Free Free and open source under the GPL-2.0 licence.
Windows, Command line	Windows
Extracts all components of an InstallShield installer Covers versions from 2003 to InstallShield 2021	Extracts installers as well as ordinary archives Lets you unpack setup files without running them
Command line only Tested on a limited set of installers	Windows only Code activity has slowed, with the last push in mid-2024
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: GPL-2.0
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 October 2, 2026

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