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NetworkUsageView vs Picosnitch: catalog facts
NetworkUsageView	Picosnitch
Best for: Finding which Windows applications have used the most network data	Best for: Linux users who want to see which programs are talking to the network
Free Freeware from NirSoft with no paid tier.	Free Free, with source code published on GitHub.
Windows	Linux
Shows historical data use per app and per user Summary modes by app, user or both All 4 strengths for NetworkUsageView Shows historical data use per app and per user Summary modes by app, user or both Reads databases from external drives and remote computers Command-line export with selectable columns	Alerts on new connecting or modified programs Per-executable bandwidth history with several breakdowns All 4 strengths for Picosnitch Alerts on new connecting or modified programs Per-executable bandwidth history with several breakdowns Web and terminal interfaces with GeoIP lookups Optional VirusTotal hash checks
Works only on Windows 8, 10 and 11 Data is recorded hourly, not in real time All 3 limitations for NetworkUsageView Works only on Windows 8, 10 and 11 Data is recorded hourly, not in real time Remote loading works only when the database file is not locked	Linux only Monitors and logs traffic but does not block it
Downloadable app	Downloadable app
Not open source	Open source
License: Freeware	License not stated
Not stated if an account is needed	No account needed
Not stated if it works offline	Offline features available
Official website Full listing and sources Sources for NetworkUsageView nirsoft.net/utils/network_usage_view.html Catalog checked October 8, 2026	Official website Full listing and sources Sources for Picosnitch github.com/elesiuta/picosnitch Catalog checked September 24, 2026

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