#1Tools for identifying, assessing, and prioritizing security weaknesses in systems and applications.
Kitploit recommended

Intentionally vulnerable PHP/MariaDB web application for practicing common web security vulnerabilities across multiple difficulty levels in a legal,…
The easiest, and most secure way to access and protect all of your infrastructure.

Real-time Windows system monitor with advanced process, network, and disk analysis, stack trace debugging, malware detection, and service management.…


Web path scanner

Lightweight static analysis for many languages. Find bug variants with patterns that look like source code.

Defund the Police.

Deliberately vulnerable web application with interactive lessons and challenges for learning web application security and penetration testing…

Mail-in-a-Box helps individuals take back control of their email by defining a one-click, easy-to-deploy SMTP+everything else server: a mail server…

Dockerized mail server suite with Postfix, Dovecot, Rspamd, and ClamAV. Provides secure email hosting with integrated spam filtering, antivirus, and…

Reproduce DeFi hacked incidents using Foundry.

Python-based interactive packet manipulation library for forging, decoding, sending, capturing, and analyzing network packets across a wide range of…

Trail of Bits Claude Code skills for security research, vulnerability detection, and audit workflows

CodeQL: the libraries and queries that power security researchers around the world, as well as code scanning in GitHub Advanced Security

一款内网综合扫描工具,方便一键自动化、全方位漏扫扫描。(An intranet comprehensive scanning tool, enabling one-click automated, all-round vulnerability scanning)

A next-generation crawling and spidering framework.

Curated collection of top HackerOne bug bounty reports organized by vulnerability type and program, with scripts to fetch, deduplicate, and rank…

A list of public penetration test reports published by several consulting firms and academic security groups.