Amass vs Anomali Attack Surface Management: side-by-side comparison (2026)

Amass: Amass is an open-source OWASP tool for comprehensive attack surface mapping and asset discovery through domain reconnaissance and subdomain enumeration.

Anomali Attack Surface Management: External attack surface management platform for asset discovery and vuln mgmt. Built by Anomali.

The table above shows where their features, integrations, deployment and company size fit differ.

Amass is open-source with 14,260 GitHub stars. Anomali Attack Surface Management is made by Anomali. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

Often, yes. Amass and Anomali Attack Surface Management are both External Attack Surface Management products. Key differences: Amass is Free while Anomali Attack Surface Management is Commercial, Amass is open-source. Use the table above to see where features, deployment and company size fit differ.