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