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SmartSniff vs NetworkTrafficView: catalog facts
SmartSniff	NetworkTrafficView
Free Freeware from NirSoft; free to redistribute as long as nothing is charged.	Free Freeware from NirSoft with no paid tier.
Windows	Windows
Shows traffic as readable client-server conversations Can capture without installing a driver via Raw Sockets	Per-connection statistics with speed, size and packet counts Shows the process behind TCP connections
Official system requirements list Windows versions up to Windows 8 Raw Sockets mode misses outgoing UDP and ICMP packets and is unreliable on some systems	Requires the Npcap driver or another capture driver Official requirements list Windows 2000 to Windows 10 only
Downloadable app	Downloadable app
Closed source	Closed source
License: Freeware	License: Freeware
No account needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 8, 2026	Official website Full listing and sources Checked October 8, 2026

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