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Tirith vs HOL Guard: catalog facts
Tirith	HOL Guard
Freemium The Community tier is free, while team and enterprise plans add paid features.	Freemium Guard Local is free and open source; optional Guard Cloud and Pro features are paid.
Windows, macOS, Linux, Command line	Command line
Checks terminal commands for homograph URLs, shell injection, and credential exfiltration patterns Scans files for hidden content and AI configuration poisoning	Can block or request approval for supported actions before they run Keeps local decision history
The project states that its shell hooks depend on being installed and active, and do not cover every…	Enforcement coverage varies by agent and event type Shared policies and team features require optional Guard Cloud
Downloadable app	Downloadable app, Hosted service
Open source	Open source
License: AGPL-3.0	License: Apache-2.0
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 4, 2026	Official website Full listing and sources Checked October 8, 2026

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