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OfflineRegistryFinder vs Registry Spy: catalog facts
OfflineRegistryFinder	Registry Spy
Free Freeware from Nir Sofer.	Free Free and open source under GPL-3.0.
Windows	Windows, macOS, Linux
Searches Registry hives from external or offline Windows installations Can search snapshots of the running system	Opens multiple registry hives Searches raw registry files
Creating a Registry snapshot requires administrator privileges	Focused on inspecting Windows Registry files
Downloadable app	Downloadable app
Closed source	Open source
License: Freeware	License: GPL-3.0
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 8, 2026	Official website Full listing and sources Checked October 8, 2026

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