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HOL Guard vs nono: catalog facts
HOL Guard	nono
Freemium Guard Local is free and open source; optional Guard Cloud and Pro features are paid.	Free Free and open source under the Apache-2.0 license.
Command line	macOS, Linux, Command line
Can block or request approval for supported actions before they run Keeps local decision history	Per-tool sandbox policies Keeps real credentials outside agent processes
Enforcement coverage varies by agent and event type Shared policies and team features require optional Guard Cloud	Windows support requires WSL2
Downloadable app, Hosted service	Downloadable app
Open source	Open source
License: Apache-2.0	License: Apache-2.0
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 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.