assetfinder vs Amass: 2026 Comparison
assetfinder is a free external attack surface management tool. Amass 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 pentesters who need fast domain enumeration during scoping phases should use assetfinder; it discovers subdomains through multiple passive sources without needing API keys or authentication, which beats tools that require paid integrations just to start mapping. The 3,393 GitHub stars and active maintenance reflect real adoption in the offensive security community where speed and simplicity matter more than UI polish. Skip this if your team expects a graphical interface or wants asset discovery bundled with vulnerability scanning and reporting; assetfinder is deliberately command-line only, built for operators who already know what they're hunting.
Security teams building reconnaissance automation into their reconnaissance workflow should start with Amass because it outperforms commercial tools at subdomain enumeration speed and catches assets that paid solutions miss through its multi-source passive collection approach. The 14,260 GitHub stars reflect sustained adoption by practitioners who've validated it against their own external asset inventories. Skip this if you need managed threat intelligence feeds, API-based asset tagging, or risk scoring; Amass is a discovery engine, not an asset management platform.
