python-builtwith vs ZoomEye: 2026 Comparison
python-builtwith is a free external attack surface management tool. ZoomEye 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 conducting external attack surface discovery on a budget will get the most from ZoomEye; its free tier gives you real-time visibility into exposed assets and service versions across your internet-facing infrastructure without licensing friction. The search engine indexes over 600 million IP addresses and devices, letting you identify vulnerabilities before an attacker does. Skip this if you need continuous posture monitoring or remediation workflows; ZoomEye is a reconnaissance tool, not a management platform.
