TLDR Tech / InfoSec
SpiderFoot (GitHub Repo)
SpiderFoot is an MIT-licensed, Python 3.7+ OSINT automation tool with over 200 modules that feed each other in a publisher/subscriber model to enumerate hosts, emails, breach data, and dark web mentions across targets ranging from IPs and domains to usernames and Bitcoin addresses, usable via web UI or CLI with a YAML-configurable correlation engine shipping 37 rules. Actively developed since 2012, and most modules need no API keys, though the README's feature list doubles as an upsell funnel toward the cloud-hosted SpiderFoot HX tier, which reserves attack surface monitoring, screenshotting, and multi-user collaboration for paying users.
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