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ProcessActivityView vs Mac Monitor: catalog facts
ProcessActivityView	Mac Monitor
Best for: Seeing which files a specific Windows program touches	Best for: Security researchers and admins analysing process and file activity on a Mac
Free Freeware from NirSoft, free to use and redistribute unmodified.	Free Free and open source on GitHub.
Windows	macOS
Per-file counts of opens, reads, writes and bytes Shows which DLL opened each file All 4 strengths for ProcessActivityView Per-file counts of opens, reads, writes and bytes Shows which DLL opened each file Can launch a process and trace it from the start Command-line options for scripted runs	Records Endpoint Security events like ProcMon does on Windows Graphical view of enriched system events All 3 strengths for Mac Monitor Records Endpoint Security events like ProcMon does on Windows Graphical view of enriched system events Mute sets to filter out noise
The published requirements list versions through Windows 8 Injects a DLL into the inspected process All 3 limitations for ProcessActivityView The published requirements list versions through Windows 8 Injects a DLL into the inspected process Separate builds are needed for 32-bit and 64-bit targets	macOS only Relies on a system extension that must be approved All 3 limitations for Mac Monitor macOS only Relies on a system extension that must be approved Aimed at technical users
Downloadable app	Downloadable app
Not open source	Open source
License: Freeware	License not stated
No account needed	No account needed
Offline features available	Offline features available
Official website Full listing and sources Sources for ProcessActivityView nirsoft.net/utils/process_activity_view.html Catalog checked October 8, 2026	Official website Full listing and sources Sources for Mac Monitor github.com/Brandon7CC/mac-monitor Catalog checked October 1, 2026

“Not stated” means we have not confirmed it. Features can vary by device and plan.