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Hardentools vs O&O ShutUp10++: catalog facts
Hardentools	O&O ShutUp10++
Free Free, with source code published on GitHub.	Free Free to download and use. The software is closed source.
Windows, Command line	Windows
Disables commonly abused Windows and document reader features Graphical interface and command-line mode	Dozens of privacy settings across Windows 10 and 11 are grouped with recommended defaults, and every change can…
Windows only Disabled features may break workflows that rely on them	It is closed-source freeware, and a Windows feature update can silently reset the settings it applied.
Downloadable app	Downloadable app
Open source	Closed source
License not stated	License not stated
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 22, 2026

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