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sFlow-RT vs pmacct: catalog facts
sFlow-RT	pmacct
Free Downloadable from InMon's site; the engine itself is proprietary, not open source.	Free Free and open source.
Self-hosted	Linux, Self-hosted, Command line
Real-time metrics from standard sFlow telemetry REST API with thresholds and notifications	Supports NetFlow, IPFIX, sFlow and libpcap Collects BGP, BMP and RPKI routing data
Needs devices that export sFlow API-first engine; dashboards come from add-on applications	Configured through text files with many keys Aimed at operators rather than home users
Downloadable app, Self-hosted	Downloadable app, Self-hosted
Closed source	Open source
License not stated	License not stated
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 24, 2026

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