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Sniffnet vs ntopng: catalog facts
Sniffnet	ntopng
Free Free and open source under the Apache 2.0 licence, funded by sponsorship.	Freemium Licensed editions are sold by ntop, listed as models on the product page.
Windows, macOS, Linux	Windows, macOS, Linux, Self-hosted
Readable charts and per-host statistics rather than a packet list Exports to PCAP so Wireshark can take over for the detail	Application detection powered by nDPI Real-time and historical traffic in a web interface
Needs packet capture drivers installed, such as Npcap on Windows Not a substitute for Wireshark when you need packet-level detail	Some features need a paid licence Needs a mirror port, TAP or flow exporter to see network traffic
Downloadable app	Downloadable app, Self-hosted
Open source	Closed source
License: Apache-2.0	License not stated
No account needed	Not stated if an account is needed
Works offline	Works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked September 23, 2026

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