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pmacct vs ntopng: catalog facts
pmacct	ntopng
Free Free and open source.	Freemium Licensed editions are sold by ntop, listed as models on the product page.
Linux, Self-hosted, Command line	Windows, macOS, Linux, Self-hosted
Supports NetFlow, IPFIX, sFlow and libpcap Collects BGP, BMP and RPKI routing data	Application detection powered by nDPI Real-time and historical traffic in a web interface
Configured through text files with many keys Aimed at operators rather than home users	Some features need a paid licence Needs a mirror port, TAP or flow exporter to see network traffic
Downloadable app, Self-hosted	Downloadable app, Self-hosted
Open source	Closed source
License not stated	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 24, 2026	Official website Full listing and sources Checked September 23, 2026

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