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nfdump vs Argus: catalog facts
nfdump	Argus
Free Free and open source under a BSD license.	Free Free and open source under the GPLv2 license.
Linux, Self-hosted, Command line	macOS, Linux, Command line
Supports NetFlow, IPFIX and sFlow Filtering and aggregation of stored flow records	Processes live network traffic and packet captures Generates detailed flow records for analysis
Command-line only, with no built-in graphical interface Needs network devices configured to export flow data	Building from source requires libpcap, flex, bison, a C compiler, and zlib development libraries.
Downloadable app, Self-hosted	Downloadable app
Open source	Open source
License: BSD	License: GPL-2.0-only
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 8, 2026

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