PortSwigger Burp Suite DAST is a commercial dynamic application security testing solution by PortSwigger Ltd. w3af is a free dynamic application security testing solution. Features, integrations, deployment and the company behind each one, side by side.
What our shortlists say about the one we picked.
Best for: Security teams scaling Burp scanning across many apps
It earns a place because it puts a scanner many testers already know into a platform that runs on a schedule or on every pull request across many apps. It suits mid-sized and large security teams that want one place for all their web scans. Ask how much setup each logged-in scan needs, because that work grows with every app you add.
From Best DAST Solutions for Business, Fall 2026
Reviewed by Nika (Nikoloz) Kokhreidze.
An enterprise-scale dynamic application security testing (DAST) platform that provides automated vulnerability scanning and security assessment for web applications.
w3af is an open source web application security scanner that identifies over 200 types of vulnerabilities including XSS, SQL injection, and OS commanding in web applications.
See more solutions in this category, or build a security stack from your picks.
Based on what each listing shows: deployment, company size, price and open source.
PortSwigger Burp Suite DAST fits if you want a cloud product and you are an enterprise.
w3af fits if you need to run it on your own servers, you are a startup or a small business, you need a free product and you want an open-source product.
Common questions when comparing PortSwigger Burp Suite DAST vs w3af for dynamic application security testing.
PortSwigger Burp Suite DAST: An enterprise-scale dynamic application security testing (DAST) platform that provides automated vulnerability scanning and security assessment for web applications, built by PortSwigger Ltd.
w3af: W3af is an open source web application security scanner that identifies over 200 types of vulnerabilities including XSS, SQL injection, and OS commanding in web applications.
The table above shows where their features, integrations, deployment and company size fit differ.
PortSwigger Burp Suite DAST is made by PortSwigger Ltd. w3af is open-source with 4,852 GitHub stars. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.
Often, yes. PortSwigger Burp Suite DAST and w3af are both Dynamic Application Security Testing products, and both cover Web Security, Security Scanning. Key differences: PortSwigger Burp Suite DAST is Commercial while w3af is Free, w3af is open-source. Use the table above to see where features, deployment and company size fit differ.
Need the answer fast? Best DAST Solutions for Business picks PortSwigger Burp Suite DAST, Invicti DAST, Rapid7 InsightAppSec and 4 more.See the shortlist