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...

5235   49953   49953  

Awesome-Hacking

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

7395   46327   46327  

x64dbg

An open-source x64/x32 debugger for windows.

1691   37486   37486  

caddy

Fast, multi-platform web server with automatic HTTPS

2801   34832   34832  

PayloadsAllTheThings

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

8450   30614   30614  

cs-video-courses

List of Computer Science courses with video lectures.

3440   25092   25092  

mitmproxy

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

3081   24828   24828  

algo

Set up a personal VPN in the cloud

1884   22008   22008  

security-guide-for-developers

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

1517   19906   19906  

hosts

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

1673   18877   18877  

CheatSheetSeries

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

2594   18490   18490  

macOS-Security-and-Privacy-Guide

Guide to securing and improving privacy on macOS

1326   18453   18453  

osquery

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

2213   18310   18310  

setup-ipsec-vpn

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

4561   16501   16501  

API-Security-Checklist

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

1861   16048   16048  

matomo

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

2198   15467   15467  

radare2

UNIX-like reverse engineering framework and command-line toolset

2550   15040   15040  

nginxconfig.io

⚙️ NGINX config generator on steroids 💉

965   13571   13571  

openzeppelin-contracts

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

6383   12667   12667  

nginx-admins-handbook

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

990   12376   12376  

hacker101

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

2405   12139   12139  

How-To-Secure-A-Linux-Server

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

758   11731   11731  

tink

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

1013   11641   11641  

hydra

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

1090   11593   11593  

keepassxc

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

905   11170   11170  

docker-slim

DockerSlim (docker-slim): Don't change anything in your Docker contain...

395   10750   10750  

bettercap

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

1063   10445   10445  

keeweb

Free cross-platform password manager compatible with KeePass

907   10406   10406  

authelia

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

510   10280   10280  

teleport

Certificate authority and access plane for SSH, Kubernetes, web applic...

923   10149   10149  

wifiphisher

The Rogue Access Point Framework

2271   10129   10129  

labs

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

5038   10118   10118  

cutter

Free and Open Source Reverse Engineering Platform powered by rizin

770   9760   9760  

routersploit

Exploitation Framework for Embedded Devices

2091   9703   9703  

cilium

eBPF-based Networking, Security, and Observability

1164   9299   9299  

zaproxy

The OWASP ZAP core project

1745   8872   8872  

trivy

Scanner for vulnerabilities in container images, file systems, and Git...

787   8766   8766  

the-practical-linux-hardening-guide

This guide details creating a secure Linux production system. OpenSCAP...

509   8738   8738  

vuls

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

979   8717   8717  

secguide

面向开发人员梳理的代码安全指南

1103   8578   8578  

helmet

Help secure Express apps with various HTTP headers

340   8515   8515  

test-your-sysadmin-skills

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

994   8511   8511  

Mailpile

A free & open modern, fast email client with user-friendly encryption...

1042   8494   8494  

gitleaks

Scan git repos (or files) for secrets using regex and entropy 🔑

756   8464   8464  

sops

Simple and flexible tool for managing secrets

491   8355   8355  

IdentityServer4

OpenID Connect and OAuth 2.0 Framework for ASP.NET Core

3176   8292   8292  

social-analyzer

API, CLI & Web App for analyzing & finding a person's profile across s...

514   8041   8041  

DOMPurify

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

505   7785   7785  

urh

Universal Radio Hacker: Investigate Wireless Protocols Like A Boss

662   7603   7603  

awesome-security

A collection of awesome software, libraries, documents, books, resourc...

1395   7370   7370