python-builtwith vs SpiderFoot: 2026 Comparison
python-builtwith is a free external attack surface management tool. SpiderFoot is a free external attack surface management tool. Compare features, ratings, integrations, and community reviews side by side to find the best external attack surface management fit for your security stack.
CST VerdictBased on our analysis of available product data, here is our conclusion:
Reconnaissance teams and security researchers who need programmatic access to technology stacks across target domains will get the most from python-builtwith; it's a lightweight wrapper around BuiltWith's API that cuts out manual lookups and scales to hundreds of asset queries in minutes. The tool sits directly in your NIST Identify function, feeding asset inventory and software bill of materials data that manual reconnaissance cannot match at speed. Skip this if you need real-time continuous monitoring or automatic alerting on tech stack changes; python-builtwith is a pull-based client, not a push-based watcher, and the 35 GitHub stars reflect its narrow, specialized use case.
Security teams tasked with mapping their external attack surface on a shoestring budget should start with SpiderFoot; its free tier and 16,981 GitHub stars mean you get legitimate OSINT automation without vendor lock-in or seat licensing. The tool excels at reconnaissance and passive data collection, letting small to mid-market teams discover exposed assets and third-party risks they didn't know existed. Skip this if your team needs active vulnerability scanning or remediation workflows; SpiderFoot is reconnaissance fuel, not a vulnerability management platform.
