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Maltego vs theHarvester: catalog facts
Maltego	theHarvester
Freemium Free Community Edition available, with paid Classic and XL tiers for more transforms and…	Free The open-source software is available without a license fee. Hosting, hardware and…
Windows, macOS, Linux	Windows, macOS, Linux, Command line
Visual graph approach makes complex relationships easier to follow than raw data Wide ecosystem of data transforms for pulling in different intelligence sources	Combines several public-data sources into structured results.
Free Community Edition has usage and feature limits compared to paid tiers Effective use requires learning its transform and graphing workflow	Some sources need API credentials and may return incomplete data.
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: GPL-2.0
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 22, 2026

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