Security GitHub Repositories

A collection of inspiring lists, manuals, cheatsheets, blogs, hacks, one-liners, cli/web tools and more.

A collection of various awesome lists for hackers, pentesters and security researchers

List of Computer Science courses with video lectures.

A list of useful payloads and bypass for Web Application Security and Pentest/CTF

Fast and extensible multi-platform HTTP/1-2-3 web server with automatic HTTPS

Open-source AI penetration testing tool to find and fix your app’s vulnerabilities.

An open-source user mode debugger for Windows. Optimized for reverse engineering and malware analysis.

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.

An interactive TLS-capable intercepting HTTP proxy for penetration testers and software developers.

Comfortably monitor your network traffic 🕵️‍♂️

Opiniated RAG for integrating GenAI in your apps 🧠 Focus on your product rather than the RAG. Easy integration in existing products with customisation! Any LLM: GPT4, Groq, Llama. Any Vectorstore: PGVector, Faiss. Any Files. Anyway you want.

Find vulnerabilities, misconfigurations, secrets, SBOM in containers, Kubernetes, code repositories, clouds and more

🕵️‍♂️ All-in-one OSINT tool for analysing any website

The OWASP Cheat Sheet Series was created to provide a concise collection of high value information on specific application security topics.

The official NGINX Open Source repository.

🔒 Consolidating and extending hosts files from several well-curated sources. Optionally pick extensions for porn, social media, and other categories.

Nuclei is a fast, customizable vulnerability scanner powered by the global security community and built on a simple YAML-based DSL, enabling collaboration to tackle trending vulnerabilities on the internet. It helps you find vulnerabilities in your applications, APIs, networks, DNS, and cloud configurations.

Set up a personal VPN in the cloud

An evolving how-to guide for securing a Linux server.

Proxmox VE Helper-Scripts (Community Edition)

Infisical is the open-source platform for secrets, certificates, and privileged access management.

Find secrets with Gitleaks 🔑

817 structured cybersecurity skills for AI agents · Mapped to 6 frameworks: MITRE ATT&CK, NIST CSF 2.0, MITRE ATLAS, D3FEND, NIST AI RMF & MITRE F3 (Fight Fraud) · agentskills.io standard · Works with Claude Code, GitHub Copilot, Codex CLI, Cursor, Gemini CLI & 20+ platforms · 29 security domains · Apache 2.0

The Single Sign-On Multi-Factor portal for web apps, now OpenID Certified™

KeePassXC is a cross-platform community-driven port of the Windows application “KeePass Password Safe”.

Set up your own IPsec VPN server in just a few minutes, with IPsec/L2TP, Cisco IPsec and IKEv2. Supports Ubuntu, Debian, CentOS/RHEL, Alpine Linux and Raspberry Pi OS. Includes client config and management scripts.

⚙️ NGINX config generator on steroids 💉

Find, verify, and analyze leaked credentials

OpenZeppelin Contracts is a library for secure smart contract development.

eBPF-based Networking, Security, and Observability