
mutillidae
OWASP Mutillidae II is a free, open-source, deliberately vulnerable web application providing a target for web-security training. This is an…

OWASP Mutillidae II is a free, open-source, deliberately vulnerable web application providing a target for web-security training. This is an…

Non-destructive detector for CVE-2026-64638 (XSS2Shell) — WordPress pre-auth XSS reflection primitive

An open source threat modeling tool from OWASP

web2py/web2py @ e94946d

GlobaLeaks is a free and open-source whistleblowing software enabling anyone to easily set up and maintain a secure reporting platform.

Real-time phishing & scam domain blocklist - 208k+ curated threats, 1M+ community, free API, multiple formats

Best and simplest tool for website change detection, web page monitoring, and website change alerts. Perfect for tracking content changes, price…

Create your self-signed SSL certificate instantly and for free

Concurrent CLI tool for discovering secrets, API keys, and links in JavaScript files during web reconnaissance, with custom regex pattern support and…

A visual no-code/code-free web crawler/spider易采集:一个可视化浏览器自动化测试/数据采集/网页爬虫软件,可以无代码图形化的设计和执行爬虫任务。别名:ServiceWrapper面向Web应用的智能化服务封装系统。

Source code for Hacker101.com - a free online web and mobile security class.


Vulnerable docker container for Really Simple Security (Free, Pro, and Pro Multisite) 9.0.0 – 9.1.1.1 – Authentication Bypass CVE-2023-50164

Free honeypot token scanner for Ethereum, Polygon & Arbitrum. Detect scam tokens before you buy. Instant analysis of smart contracts using 13…

Detect-only scanner for CVE-2026-42945 (NGINX Rift), a heap overflow in ngx_http_rewrite_module. Version detection + nginx.conf pattern analysis.…

Some good resources for getting started with application security

OnionScan is a free and open source tool for investigating the Dark Web.

Free NGINX Rift CVE-2026-42945 detector for version, rewrite config, ASLR, crash logs, and exploitation indicators.