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ntopng vs Packetbeat: catalog facts
ntopng	Packetbeat
Freemium Licensed editions are sold by ntop, listed as models on the product page.	Free Free to download; paid Elastic offerings exist for the wider stack.
Windows, macOS, Linux, Self-hosted	Command line
Application detection powered by nDPI Real-time and historical traffic in a web interface	Decodes many application protocols Passive capture with no latency added
Some features need a paid licence Needs a mirror port, TAP or flow exporter to see network traffic	Needs Elasticsearch or Logstash to be useful Agent with no interface of its own
Downloadable app, Self-hosted	Downloadable app
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	No account needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 1, 2026

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