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OSArmor vs Hardentools: catalog facts
OSArmor	Hardentools
Freemium Free to download; the site also lists an enterprise edition.	Free Free, with source code published on GitHub.
Windows	Windows, Command line
Blocks common malware delivery techniques such as Office macros launching shells Over 250 built-in policies with no setup needed	Disables commonly abused Windows and document reader features Graphical interface and command-line mode
Windows only Behaviour blocking can stop legitimate scripts and admin tools	Windows only Disabled features may break workflows that rely on them
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License not stated
Not stated if an account is 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 September 24, 2026

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