Compare software

theHarvester vs SpiderFoot: catalog facts
theHarvester	SpiderFoot
Free The open-source software is available without a license fee. Hosting, hardware and…	Free Free and open source under the MIT licence. A hosted SpiderFoot HX service is paid.
Windows, macOS, Linux, Command line	Windows, macOS, Linux, Self-hosted
Combines several public-data sources into structured results.	Two hundred modules run automatically and correlate their findings Web interface with graphing, plus a command-line mode for automation
Some sources need API credentials and may return incomplete data.	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-2.0	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.