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SpiderFootRecon-ng
Free

Free and open source under the MIT licence. A hosted SpiderFoot HX service is paid.

 Free

Free and open source under the GPL.

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

Checked September 22, 2026

Checked September 22, 2026

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