Network Security

rea

by morluto

Reverse engineer anything with agents, from app behavior down to native binaries.

the-book-of-secret-knowledge

by trimstray

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

Awesome-Hacking

by Hack-with-Github

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

cs-video-courses

by Developer-Y

List of Computer Science courses with video lectures.

PayloadsAllTheThings

by swisskyrepo

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

caddy

by caddyserver

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

strix

by usestrix

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

shannon

by KeygraphHQ

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…

x64dbg

by x64dbg

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

mitmproxy

by mitmproxy

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

sniffnet

by GyulyVGC

Comfortably monitor your network traffic 🕵️‍♂️

quivr

by The-Vibe-Company

An open-source engine that turns continuous content streams into search and monitoring. Durable ingestion, hybrid search, alerts, and plugins for formats, models and business…

trivy

by aquasecurity

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

Anthropic-Cybersecurity-Skills

by mukul975

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…

web-check

by lissy93

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

CheatSheetSeries

by OWASP

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

nuclei

by projectdiscovery

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…

nginx

by nginx

The official NGINX Open Source repository.

How-To-Secure-A-Linux-Server

by imthenachoman

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

hosts

by StevenBlack

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

gitleaks

by gitleaks

Find secrets with Gitleaks 🔑

algo

by trailofbits

Set up a personal VPN in the cloud

infisical

by Infisical

Infisical is the open-source platform for securing secrets, certificates, access, and AI Agents.

ProxmoxVE

by community-scripts

Proxmox VE Helper-Scripts (Community Edition)

keepassxc

by keepassxreboot

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

authelia

by authelia

The Single Sign-On Multi-Factor portal for web apps. OpenID Certified™ and Post-Quantum Cryptography Ready.

setup-ipsec-vpn

by hwdsl2

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…

trufflehog

by trufflesecurity

Find, verify, and analyze leaked credentials

nginxconfig.io

by digitalocean

⚙️ NGINX config generator on steroids 💉

openzeppelin-contracts

by OpenZeppelin

OpenZeppelin Contracts is a library for secure smart contract development.

authentik

by goauthentik

The authentication glue you need.

cilium

by cilium

eBPF-based Networking, Security, and Observability

radare2

by radareorg

UNIX-like reverse engineering framework and command-line toolset

anubis

by TecharoHQ

Weighs the soul of incoming HTTP requests to stop AI crawlers

osquery

by osquery

SQL powered operating system instrumentation, monitoring, and analytics.

sops

by getsops

Simple and flexible tool for managing secrets

slim

by slimtoolkit

Slim(toolkit): Don't change anything in your container image and minify it by up to 30x (and for compiled languages even more) making it secure too! (free and open source)

API-Security-Checklist

by shieldfy

Checklist of the most important security countermeasures when designing, testing, and releasing your API

SafeLine

by chaitin

SafeLine is a self-hosted WAF(Web Application Firewall) / reverse proxy to protect your web apps from attacks and exploits.

personal-security-checklist

by lissy93

🔒 A compiled checklist of 300+ tips for protecting digital security and privacy in 2026

macOS-Security-and-Privacy-Guide

by drduh

Community guide to securing and improving privacy on macOS.

chezmoi

by twpayne

Manage your dotfiles across multiple diverse machines, securely.

matomo

by matomo-org

Empowering People Ethically 🚀 — Matomo is hiring! Join us → https://matomo.org/jobs Matomo is the leading open-source alternative to Google Analytics, giving you complete control…

Atlas

by Atlas-OS

🚀 An open and lightweight modification to Windows, designed to optimize performance, privacy and usability.

Obtainium

by ImranR98

Get Android app updates straight from the source.

security-guide-for-developers

by FallibleInc

Security Guide for Developers

teleport

by gravitational

The easiest, and most secure way to access and protect all of your infrastructure.

RustScan

by bee-san

🤖 The Modern Port Scanner 🤖

DB-GPT

by eosphoros-ai

open-source agentic AI data assistant for the next generation of AI + Data products.

bettercap

by bettercap

The Swiss Army knife for 802.11, BLE, HID, CAN-bus, IPv4 and IPv6 networks reconnaissance and MITM attacks.