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...

4189   61899   61899  

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...

4118   38156   38156  

algo

Set up a personal VPN in the cloud

2338   29210   29210  

setup-ipsec-vpn

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

6393   26030   26030  

nginxconfig.io

⚙️ NGINX config generator on steroids 💉

1912   25910   25910  

trivy

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

2448   24802   24802  

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  

sniffnet

Comfortably monitor your Internet traffic 🕵️‍♂️

704   23233   23233  

authelia

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

1175   22903   22903  

keepassxc

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

1540   22837   22837  

openzeppelin-contracts

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

11254   21881   21881  

macOS-Security-and-Privacy-Guide

Guide to securing and improving privacy on macOS

1461   21535   21535  

slim

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

766   21043   21043  

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  

osquery

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

2408   20172   20172  

gitleaks

Find secrets with Gitleaks 🔑

1555   19127   19127  

teleport

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

1808   18069   18069  

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  

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  

infisical

♾ Infisical is the open-source secret management platform: Sync secret...

1112   16910   16910  

cilium

eBPF-based Networking, Security, and Observability

2223   15601   15601  

Atlas

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

554   15298   15298  

authentik

The authentication glue you need.

1020   15064   15064  

chezmoi

Manage your dotfiles across multiple diverse machines, securely.

512   14587   14587  

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  

fail2ban

Daemon to ban hosts that cause multiple authentication errors

1301   13730   13730  

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  

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  

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  

wifiphisher

The Rogue Access Point Framework

2472   11829   11829  

awesome-web-security

🐶 A curated list of Web Security materials and resources.

1690   11775   11775  

systeminformer

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

1457   11700   11700  

labs

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

5285   11617   11617  

opensnitch

OpenSnitch is a GNU/Linux interactive application firewall inspired by...

547   11464   11464