The best open source alternative to Burp Suite is mitmproxy. If that doesn't suit you, our users have ranked more than 25 alternatives to Burp Suite and eight of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Burp Suite are Zed Attack Proxy (ZAP), SiteOne Crawler, HTTP Toolkit and w3af.
mitmproxy is an SSL-capable man-in-the-middle proxy for HTTP. It provides a console interface that allows traffic flows to be inspected and edited on the fly. It also features mitmdump, a commandline tool that provides a tcpdump-like interface for saving, viewing and...
The Zed Attack Proxy (ZAP) is an easy to use integrated penetration testing tool for finding vulnerabilities in web applications.
A free in-depth website analyzer providing audits of security, performance, SEO, accessibility and other technical aspects. Available as a desktop application for Windows/macOS/Linux and as a CLI tool for advanced users and CI/CD processes. It also includes an offline web page exporter.
HTTP Toolkit is a beautiful, cross-platform & open-source HTTP(S) debugging proxy, analyzer & client, with built-in support for modern tools and automatic interception for clients from Docker to Android to iOS.
Nuclei is used to send requests across targets based on a template, leading to zero false positives and providing fast scanning on a large number of hosts. Nuclei offers scanning for a variety of protocols, including TCP, DNS, HTTP, SSL, File, Whois, Websocket, Headless etc.
Lonkero is a high-performance web vulnerability scanner built in Rust for penetration testers and bug bounty hunters who are tired of slow, bloated tools that generate hundreds of false positives.
Firefox add-on that lets you change headers and request parameters before they're sent to the server. Unlike proxy request modifiers, it's integrated into the browser, so it has no problem with HTTPS connections, client authentication certificates, or other features that...
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