Harpoon vs NodeZero: side-by-side comparison (2026)

Harpoon: A collection of tips and tricks for container and container orchestration hacking and security testing.

NodeZero: Autonomous pentesting platform for internal, external, cloud & K8s testing. Built by Horizon3.ai.

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

Harpoon is open-source with 142 GitHub stars. NodeZero is made by Horizon3.ai. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

Often, yes. Harpoon and NodeZero are both Penetration Testing products, and both cover Kubernetes. Key differences: Harpoon is Free while NodeZero is Commercial, Harpoon is open-source. Use the table above to see where features, deployment and company size fit differ.