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...

10213   162706   162706  

Awesome-Hacking

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

9139   89490   89490  

cs-video-courses

List of Computer Science courses with video lectures.

9262   68452   68452  

caddy

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

4335   64790   64790  

PayloadsAllTheThings

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

12849   48989   48989  

x64dbg

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

2524   45779   45779  

mitmproxy

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

4199   39294   39294  

algo

Set up a personal VPN in the cloud

2338   29210   29210  

trivy

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

2585   27088   27088  

setup-ipsec-vpn

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

6408   26242   26242  

nginxconfig.io

⚙️ NGINX config generator on steroids 💉

1912   25910   25910  

sniffnet

Comfortably monitor your Internet traffic 🕵️‍♂️

763   24453   24453  

authelia

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

1232   24095   24095  

hosts

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

2006   23438   23438  

CheatSheetSeries

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

3383   23378   23378  

keepassxc

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

1540   22837   22837  

osquery

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

2497   22526   22526  

openzeppelin-contracts

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

11254   21881   21881  

macOS-Security-and-Privacy-Guide

Community guide to securing and improving privacy on macOS.

1463   21830   21830  

cilium

eBPF-based Networking, Security, and Observability

3252   21830   21830  

radare2

UNIX-like reverse engineering framework and command-line toolset

3074   21766   21766  

slim

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

773   21764   21764  

API-Security-Checklist

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

2489   20775   20775  

security-guide-for-developers

Security Guide for Developers (实用性开发人员安全须知)

1612   20658   20658  

gitleaks

Find secrets with Gitleaks 🔑

1621   20194   20194  

teleport

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

1859   18627   18627  

personal-security-checklist

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

1259   18017   18017  

How-To-Secure-A-Linux-Server

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

1148   17992   17992  

infisical

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

1197   17959   17959  

matomo

Liberating Web Analytics. Star us on Github? +1. Matomo is the leading...

2520   17909   17909  

bettercap

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

1535   17711   17711  

RustScan

🤖 The Modern Port Scanner 🤖

1117   16549   16549  

hydra

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

1540   16214   16214  

Atlas

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

554   15298   15298  

authentik

The authentication glue you need.

1020   15064   15064  

javascript-obfuscator

A powerful obfuscator for JavaScript and Node.js

1619   14838   14838  

chezmoi

Manage your dotfiles across multiple diverse machines, securely.

512   14587   14587  

fail2ban

Daemon to ban hosts that cause multiple authentication errors

1325   14530   14530  

nginx-admins-handbook

How to improve NGINX performance, security, and other important things...

1104   13674   13674  

tink

Tink is a multi-language, cross-platform, open source library that pro...

1184   13520   13520  

cutter

Free and Open Source Reverse Engineering Platform powered by rizin

1049   13430   13430  

hacker101

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

2519   13014   13014  

sops

Simple and flexible tool for managing secrets

743   12840   12840  

gophish

Open-Source Phishing Toolkit

2591   12704   12704  

social-analyzer

API, CLI, and Web App for analyzing and finding a person's profile in...

1001   12502   12502  

keeweb

Free cross-platform password manager compatible with KeePass

1105   12467   12467  

cryptomator

Cryptomator for Windows, macOS, and Linux: Secure client-side encrypti...

1075   12461   12461  

nuclei

Fast and customizable vulnerability scanner based on simple YAML based...

1749   12426   12426  

secguide

面向开发人员梳理的代码安全指南

1842   12204   12204  

systeminformer

A free, powerful, multi-purpose tool that helps you monitor system res...

1488   12128   12128