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...

7164   94696   94696  

Awesome-Hacking

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

8577   66685   66685  

cs-video-courses

List of Computer Science courses with video lectures.

8075   57218   57218  

PayloadsAllTheThings

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

12849   48989   48989  

caddy

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

3591   46671   46671  

x64dbg

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

2179   41087   41087  

mitmproxy

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

3734   31523   31523  

algo

Set up a personal VPN in the cloud

2242   27083   27083  

nginxconfig.io

⚙️ NGINX config generator on steroids 💉

1912   25910   25910  

hosts

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

2006   23438   23438  

CheatSheetSeries

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

3383   23378   23378  

setup-ipsec-vpn

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

5967   22253   22253  

openzeppelin-contracts

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

11254   21881   21881  

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  

macOS-Security-and-Privacy-Guide

Guide to securing and improving privacy on macOS

1428   20293   20293  

osquery

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

2408   20172   20172  

matomo

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

2520   17909   17909  

radare2

UNIX-like reverse engineering framework and command-line toolset

2850   17857   17857  

trivy

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

1651   16862   16862  

authelia

The Single Sign-On Multi-Factor portal for web apps

935   16805   16805  

slim

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

622   16404   16404  

cilium

eBPF-based Networking, Security, and Observability

2223   15601   15601  

keepassxc

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

1203   15405   15405  

teleport

The easiest, most secure way to access infrastructure.

1461   14120   14120  

hydra

OpenID Certified™ OpenID Connect and OAuth Provider written in Go - cl...

1406   13991   13991  

bettercap

The Swiss Army knife for 802.11, BLE, IPv4 and IPv6 networks reconnais...

1289   13860   13860  

How-To-Secure-A-Linux-Server

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

894   13656   13656  

cutter

Free and Open Source Reverse Engineering Platform powered by rizin

1049   13430   13430  

tink

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

1216   13236   13236  

nginx-admins-handbook

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

1056   13110   13110  

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  

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  

gitleaks

Protect and discover secrets using Gitleaks 🔑

1156   12162   12162  

wifiphisher

The Rogue Access Point Framework

2472   11829   11829  

personal-security-checklist

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

848   11803   11803  

keeweb

Free cross-platform password manager compatible with KeePass

1059   11693   11693  

labs

This is a collection of tutorials for learning how to use Docker with...

5389   11279   11279  

DOMPurify

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

674   11260   11260  

javascript-obfuscator

A powerful obfuscator for JavaScript and Node.js

1310   11243   11243  

routersploit

Exploitation Framework for Embedded Devices

2283   11197   11197  

trufflehog

Find credentials all over the place

1291   10828   10828  

hacker-roadmap

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

1316   10706   10706  

zaproxy

The OWASP ZAP core project

2046   10704   10704  

social-analyzer

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

829   10246   10246  

dirsearch

Web path scanner

2175   9913   9913  

vuls

Agent-less vulnerability scanner for Linux, FreeBSD, Container, WordPr...

1104   9887   9887  

test-your-sysadmin-skills

A collection of Linux Sysadmin Test Questions and Answers. Test your k...

1317   9864   9864