npm-zoo vs Varnish Artifact Firewall: side-by-side comparison (2026)

npm-zoo: Npm-zoo is a curated database of known malicious NPM packages that helps developers and security researchers identify and avoid potentially harmful dependencies in their projects.

Varnish Artifact Firewall: Package firewall that blocks malicious and vulnerable open-source packages before install. Built by Varnish Software.

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

npm-zoo is open-source with 20 GitHub stars. Varnish Artifact Firewall is made by Varnish Software founded in 2010-01-01T00:00:00.000Z. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

Often, yes. npm-zoo and Varnish Artifact Firewall are both Software Supply Chain Security products, and both cover Package Security, Supply Chain Security, npm. Key differences: npm-zoo is Free while Varnish Artifact Firewall is Commercial, npm-zoo is open-source. Use the table above to see where features, deployment and company size fit differ.