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Recon-ng vs SpiderFoot: catalog facts
Recon-ng	SpiderFoot
Free Free and open source under the GPL.	Free Free and open source under the MIT licence. A hosted SpiderFoot HX service is paid.
macOS, Linux, Command line	Windows, macOS, Linux, Self-hosted
Workspace database means results from many modules accumulate and correlate Familiar interface for anyone who has used Metasploit	Two hundred modules run automatically and correlate their findings Web interface with graphing, plus a command-line mode for automation
Many modules need API keys from third-party services Reconnaissance against organisations you are not engaged by can be unlawful	Full coverage needs API keys for many third-party services Scanning organisations without authorisation can be unlawful
Downloadable app	Downloadable app, Self-hosted
Open source	Open source
License: GPL-3.0	License: MIT
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.