headi vs Rapid7 Metasploit: side-by-side comparison (2026)

headi: A tool for automated HTTP header injection.

Rapid7 Metasploit: Penetration testing software for simulating attacks and validating vulnerabilities. Built by Rapid7.

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

headi is open-source with 261 GitHub stars. Rapid7 Metasploit is made by Rapid7. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

Often, yes. headi and Rapid7 Metasploit are both Penetration Testing products, and both cover Red Team. Key differences: headi is Free while Rapid7 Metasploit is Commercial, headi is open-source. Use the table above to see where features, deployment and company size fit differ.