Burp Suite Professional vs tcpkill: side-by-side comparison (2026)
Burp Suite Professional is a commercial penetration testing solution by PortSwigger Ltd. tcpkill is a free penetration testing solution. Features, integrations, deployment and the company behind each one, side by side.
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A web application security testing platform that combines manual and automated testing tools for conducting comprehensive security assessments and penetration testing.
A Linux command-line tool that allows you to kill in-progress TCP connections based on a filter expression, useful for libnids-based applications that require a full TCP 3-way handshake for TCB creation.
Side-by-side comparison
Feature
Burp Suite Professional
tcpkill
Pricing model
Commercial
Free
Category
Penetration Testing
Penetration Testing
Deployment and fit
Deployment type
On-Premises
On-Premises
Company size fit
SMB, Mid-Market, Enterprise
Startup, SMB, Mid-Market, Enterprise
Company
Company
PortSwigger Ltd.
–
Use cases and capabilities
Proxy
Yes
No
Scanner
Yes
No
Network Administration
No
Yes
TCP
No
Yes
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