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Mac Monitor vs FSMonitor: catalog facts
Mac Monitor	FSMonitor
Free Free and open source on GitHub.	Paid Paid app with a free 14-day trial.
macOS	macOS, Command line
Records Endpoint Security events like ProcMon does on Windows Graphical view of enriched system events	Captures creations, deletions, renames and attribute changes Filtering by path, event type or process
macOS only Relies on a system extension that must be approved	macOS only Paid after the trial
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	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 2, 2026

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