Core Security Core Impact vs headi: side-by-side comparison (2026)

Core Security Core Impact: Pen testing platform with guided automation and certified exploit library. Built by Core Security.

headi: A tool for automated HTTP header injection.

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

Core Security Core Impact is made by Core Security. headi is open-source with 261 GitHub stars. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

Often, yes. Core Security Core Impact and headi are both Penetration Testing products, and both cover Red Team. Key differences: Core Security Core Impact is Commercial while headi is Free, headi is open-source. Use the table above to see where features, deployment and company size fit differ.