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NetworkCountersWatch vs IPTraf-ng: catalog facts
NetworkCountersWatch	IPTraf-ng
Free Freeware from NirSoft; it may not be sold or bundled with commercial products.	Free Free and open source.
Windows	Linux, Command line
Per-interface byte, packet, error and discard counters Live upload and download speed	Live traffic view in the terminal Works over SSH on headless servers
Windows XP is not supported Showing all interfaces can list several with identical counters	Linux only Text interface with no graphical charts
Downloadable app	Downloadable app
Closed source	Open source
License: Freeware	License not stated
No account needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 8, 2026	Official website Full listing and sources Checked September 24, 2026

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