A free, open-source alternative to Burp Suite: an intercepting proxy and web app security testing suite with Repeater, Intruder, Collaborator and a built-in OWASP ZAP scanner. Linux, AGPL-3.0.
The Web Security Testing Guide is a comprehensive Open Source guide to testing the security of web applications and web services.
Shannon is an AI pentester for web applications and APIs. It analyzes your source code, identifies attack vectors, and executes real exploits to prove vulnerabilities before they reach production.
Automatic SQL injection and database takeover tool
The OWASP Cheat Sheet Series was created to provide a concise collection of high value information on specific application security topics.
SafeLine is a self-hosted WAF(Web Application Firewall) / reverse proxy to protect your web apps from attacks and exploits.
The ZAP by Checkmarx Core project
Web path scanner
OWASP Juice Shop: Probably the most modern and sophisticated insecure web application
Open-source and AI-powered cybersecurity tools for offensive security, vulnerability management, and autonomous pentesting. Built by hackers in Latin America, used worldwide.
Complete Practical Study Plan to become a successful cybersecurity engineer based on roles like Pentest, AppSec, Cloud Security, DevSecOps and so on...
Open-Source Unified Vulnerability Management, DevSecOps & ASPM
An OOB interaction gathering server and client library
CISO Assistant is a one-stop-shop GRC platform for Risk Management, AppSec, Compliance & Audit, TPRM, BIA, Privacy, and Reporting. It supports 200+ global frameworks with automatic control mapping, including ISO 27001, NIST CSF, SOC 2, CIS, PCI DSS, NIS2, DORA, GDPR, HIPAA, CMMC, and more.
The parent project for OpenZiti. Here you will find the executables for a fully zero-trust, programmable network @OpenZiti
Dependency-Track is an intelligent Component Analysis platform that allows organizations to identify and reduce risk in the software supply chain.
Code security scanning tool (SAST) to discover, filter and prioritize security and privacy risks.
Find security vulnerabilities, compliance issues, and infrastructure misconfigurations early in the development cycle of your infrastructure-as-code with KICS by Checkmarx.
Complete Solution for VAPT/AppSec and Pentesting Guide: Web | Mobile | API | Thick Client | Source Code Review | DevSecOps | Wireless | Network Pentesting | SAST | DAST etc...
safely install npm packages by auditing them pre-install stage
Open-source AI pentester that proves every finding. Machine oracles re-run each exploit; verified bugs ship a proof capsule you can replay yourself.
Burp Suite extension that adds built-in MCP tooling, AI-assisted analysis, privacy controls, passive and active scanning and more
OWASP Mutillidae II is a free, open-source, deliberately vulnerable web application providing a target for web-security training. This is an easy-to-use web hacking environment designed for labs, security enthusiasts, classrooms, CTF, and vulnerability assessment tool targets.
Vulnerable app with examples showing how to not use secrets
OWASP Community Pages are a place where OWASP can accept community contributions for security-related content.
ZAP Add-ons
Autonomous Offensive Security, Bug Bounty & Red Teaming Agent Framework powered by Hermes Agent, specialized reasoning skills, and multi-model LLM orchestration.
A collection of ZAP scripts and tips provided by the community - pull requests very welcome!
:warning: This repo is no longer in use. Please refer to https://vwad.owasp.org
Datadog Go Library including APM tracing, profiling, and security monitoring.
A library for detecting known secrets across many web frameworks
mobsfscan is a static analysis tool that can find insecure code patterns in your Android and iOS source code. Supports Java, Kotlin, Swift, and Objective C Code. mobsfscan uses MobSF static analysis rules and is powered by semgrep and libsast pattern matcher.
Spoofy is a program that checks if a list of domains can be spoofed based on SPF and DMARC records.
Fast, developer-friendly JS/TS dependency vulnerability scanner with local lockfile scanning, OSV matching, direct vs transitive visibility, --fix, JSON output, and practical remediation guidance.
Oversecured Vulnerable Android App
Agentic AI security scanner that hunts exploitable vulnerabilities like an adversary, proves them with executable PoCs, and fixes them test-first. A maintained fork of Capital One's VulnHunter, rebuilt for any agent harness.
High-performance secrets scanner. CLI, Go library, Burp Suite extension, and Chrome extension. 487 detection rules with live credential validation.
Integrates Dependency-Check reports into SonarQube
Web Application Security Working Group repo
Open Source Static Scanning tool to detect data flows in your code, find data security vulnerabilities & generate accurate Play Store Data Safety Report.
Datadog PHP Clients
jshunter is a command-line tool designed for analyzing JavaScript files and extracting endpoints. This tool specializes in identifying sensitive data, such as API endpoints and potential security vulnerabilities, making it an essential resource for and bug bounty hunters and security researchers.
Security testing that runs inside the coding agent you already use. Source-available, not open source.
Secure PHP Development โ lab-driven study notes: modern PHP 8.2/8.3 through a full OWASP-mapped catalogue of PHP vulnerabilities with exploit-then-fix labs. CC BY 4.0.
Comment2Shell is a zero click pre auth RCE exploit for WordPress CVE-2026-93485. An anonymous comment plants stored XSS that fires when an admin views the post and drops a self deleting webshell. Full chain PoC with scanner interactive shell Nuclei template and Docker
Your app is guilty until proven secure: an agent skill whose /hack-me breaks into your own running app, proves each bug with a real request, patches it, and re-verifies. Claude Code ยท Codex ยท Cursor.
CWE-602 ๅฎขๆท็ซฏ้ดๆ่ๅผฑๆง็ฝ็ๅฎก่ฎกๆนๆณ่ฎบไธ็บตๆทฑ้ฒๅพกๅ ๅบ็ ็ฉถๆกๆถ
A multi-agent application-security review harness for Claude Code (and, later, other AI agents). One router skill dispatches to a full offensive-security pipeline that maps a codebase, hunts vulnerabilities with a per-class knowledge base, chains findings into escalations, verifies real impact, and reports to README/JSON/SARIF/doc/PDF.
Behavioral-discipline skill turning an AI agent into a methodical, non-robotic bug-bounty & pentest hunter - 42 always-on rules: scope, coverage, no false positives, never quits early.
Soup Wall: open-source security for AI agents and model traffic. Local Agent, Gateway, self-hosted Console. Apache-2.0.
See why a web vulnerability works, not just how to trigger it โ a single-file, zero-dependency security lab that renders a vulnerable app as a 7-layer cross-section. 17 labs, attacker & defender modes, AI-authorable.