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Maester vs ScubaGear: catalog facts
Maester	ScubaGear
Free Free and open source, community driven.	Free Free to download and use from CISA's GitHub repository.
Command line	Command line
More than 360 ready-made security tests Five compliance baselines in a single report	Checks Microsoft 365 against published CISA SCuBA baselines Produces an assessment report, with a sample in the repository
Limited to Microsoft 365 and Entra tenants Requires PowerShell and Microsoft Graph permissions	Covers Microsoft 365 only Needs PowerShell and administrator permissions on the tenant
Downloadable app	Downloadable app
Open source	Closed source
License not stated	License not stated
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 September 23, 2026	Official website Full listing and sources Checked September 23, 2026

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