Burp Suite Professional vs Finshir: side-by-side comparison (2026)

Burp Suite Professional: A web application security testing platform that combines manual and automated testing tools for conducting comprehensive security assessments and penetration testing. Built by PortSwigger Ltd.

Finshir: High-performant, coroutines-driven, and fully customisable Low & Slow load generator for real-world pentesting with undetectability through Tor.

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

Burp Suite Professional is made by PortSwigger Ltd. Finshir is open-source with 33 GitHub stars. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

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