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GoFlow2 vs ManageEngine NetFlow Analyzer: catalog facts
GoFlow2	ManageEngine NetFlow Analyzer
Free Free and open source.	Paid Commercial software in several editions, with a free trial download.
Linux, Self-hosted, Command line	Self-hosted
Handles NetFlow, IPFIX and sFlow in one collector Normalises different flow protocols into a common format	Supports many flow formats: NetFlow, sFlow, IPFIX, J-Flow and more Interface-level drill-down into traffic and bandwidth use
Collector only; needs separate storage and dashboards Configuration requires familiarity with flow protocols	Commercial product aimed at organisations Requires network devices configured to export flow data
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	Not stated if it works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked October 1, 2026

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