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nfdump vs ElastiFlow: catalog facts
nfdump	ElastiFlow
Free Free and open source under a BSD license.	Freemium A free tier is available, and paid editions offer a 30-day free trial.
Linux, Self-hosted, Command line	Self-hosted
Supports NetFlow, IPFIX and sFlow Filtering and aggregation of stored flow records	Accepts NetFlow, sFlow and IPFIX in one collector More than 25 pre-built dashboards
Command-line only, with no built-in graphical interface Needs network devices configured to export flow data	Needs a separate data platform to store and view flows Aimed at organisations rather than home users
Downloadable app, Self-hosted	Self-hosted
Open source	Closed source
License: BSD	License not stated
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked October 2, 2026

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