Most popular security repositories and open source projects

Cybersecurity (security) includes controlling physical access to hardware as well as protection from attacks that come via network access, data injection, and code injection.

the-book-of-secret-knowledge

A collection of inspiring lists, manuals, cheatsheets, blogs, hacks, o...

11478   185309   185309  

Awesome-Hacking

A collection of various awesome lists for hackers, pentesters and secu...

9513   97078   97078  

cs-video-courses

List of Computer Science courses with video lectures.

9375   69669   69669  

PayloadsAllTheThings

A list of useful payloads and bypass for Web Application Security and...

15873   69609   69609  

caddy

Fast and extensible multi-platform HTTP/1-2-3 web server with automati...

4470   66535   66535  

x64dbg

An open-source user mode debugger for Windows. Optimized for reverse e...

2587   46798   46798  

mitmproxy

An interactive TLS-capable intercepting HTTP proxy for penetration tes...

4282   40341   40341  

quivr

Opiniated RAG for integrating GenAI in your apps 🧠 Focus on your pr...

3669   38371   38371  

sniffnet

Comfortably monitor your Internet traffic 🕵️‍♂️

1046   30225   30225  

CheatSheetSeries

The OWASP Cheat Sheet Series was created to provide a concise collecti...

4224   30189   30189  

algo

Set up a personal VPN in the cloud

2356   29723   29723  

hosts

🔒 Consolidating and extending hosts files from several well-curated s...

2342   28783   28783  

trivy

Find vulnerabilities, misconfigurations, secrets, SBOM in containers,...

2701   28198   28198  

nginxconfig.io

⚙️ NGINX config generator on steroids 💉

2071   28178   28178  

nginx

The official NGINX Open Source repository.

7497   27901   27901  

setup-ipsec-vpn

Scripts to build your own IPsec VPN server, with IPsec/L2TP, Cisco IPs...

6462   26706   26706  

web-check

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

2100   26288   26288  

openzeppelin-contracts

OpenZeppelin Contracts is a library for secure smart contract developm...

12137   26174   26174  

authelia

The Single Sign-On Multi-Factor portal for web apps, now OpenID Certif...

1267   25140   25140  

nuclei

Nuclei is a fast, customizable vulnerability scanner powered by the gl...

2869   24577   24577  

keepassxc

KeePassXC is a cross-platform community-driven port of the Windows app...

1610   24042   24042  

gitleaks

Find secrets with Gitleaks 🔑

1766   23094   23094  

API-Security-Checklist

Checklist of the most important security countermeasures when designin...

2658   23020   23020  

osquery

SQL powered operating system instrumentation, monitoring, and analytic...

2519   22691   22691  

cilium

eBPF-based Networking, Security, and Observability

3387   22365   22365  

radare2

UNIX-like reverse engineering framework and command-line toolset

3108   22184   22184  

slim

Slim(toolkit): Don't change anything in your container image and minif...

784   22095   22095  

macOS-Security-and-Privacy-Guide

Community guide to securing and improving privacy on macOS.

1467   22038   22038  

security-guide-for-developers

Security Guide for Developers

1591   21031   21031  

matomo

Empowering People Ethically 🚀 — Matomo is hiring! Join us → https://m...

2750   20799   20799  

trufflehog

Find, verify, and analyze leaked credentials

1963   20371   20371  

ProxmoxVE

Proxmox VE Helper-Scripts (Community Edition)

1753   20137   20137  

infisical

Infisical is the open-source platform for secrets management, PKI, and...

1336   19954   19954  

personal-security-checklist

🔒 A compiled checklist of 300+ tips for protecting digital security a...

1354   19532   19532  

How-To-Secure-A-Linux-Server

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

1234   19473   19473  

sops

Simple and flexible tool for managing secrets

963   19387   19387  

teleport

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

1915   19096   19096  

bettercap

The Swiss Army knife for 802.11, BLE, HID, CAN-bus, IPv4 and IPv6 netw...

1560   18051   18051  

authentik

The authentication glue you need.

1284   17969   17969  

RustScan

🤖 The Modern Port Scanner 🤖

1187   17914   17914  

SafeLine

SafeLine is a self-hosted WAF(Web Application Firewall) / reverse prox...

1083   17589   17589  

DB-GPT

AI Native Data App Development framework with AWEL(Agentic Workflow Ex...

2394   17237   17237  

cutter

Free and Open Source Reverse Engineering Platform powered by rizin

1232   17044   17044  

Atlas

🚀 An open and lightweight modification to Windows, designed to optimi...

601   16648   16648  

hydra

The only web-scale, fully customizable OpenID Certified™ OpenID Connec...

1573   16482   16482  

chezmoi

Manage your dotfiles across multiple diverse machines, securely.

553   15927   15927  

DOMPurify

DOMPurify - a DOM-only, super-fast, uber-tolerant XSS sanitizer for HT...

793   15780   15780  

fail2ban

Daemon to ban hosts that cause multiple authentication errors

1370   15329   15329  

javascript-obfuscator

A powerful obfuscator for JavaScript and Node.js

1635   15183   15183  

hacker-roadmap

A collection of hacking tools, resources and references to practice et...

1638   14507   14507