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pmacct vs nfdump: catalog facts
pmacct	nfdump
Free Free and open source.	Free Free and open source under a BSD license.
Linux, Self-hosted, Command line	Linux, Self-hosted, Command line
Supports NetFlow, IPFIX, sFlow and libpcap Collects BGP, BMP and RPKI routing data	Supports NetFlow, IPFIX and sFlow Filtering and aggregation of stored flow records
Configured through text files with many keys Aimed at operators rather than home users	Command-line only, with no built-in graphical interface Needs network devices configured to export flow data
Downloadable app, Self-hosted	Downloadable app, Self-hosted
Open source	Open source
License not stated	License: BSD
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 24, 2026

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