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.

Awesome-Hacking

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

7088   44374   44374  

the-book-of-secret-knowledge

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

4341   40631   40631  

x64dbg

An open-source x64/x32 debugger for windows.

1649   37109   37109  

caddy

Fast, multi-platform web server with automatic HTTPS

2698   33502   33502  

PayloadsAllTheThings

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

7297   24630   24630  

cs-video-courses

List of Computer Science courses with video lectures.

3292   23832   23832  

mitmproxy

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

2868   22462   22462  

algo

Set up a personal VPN in the cloud

1797   20819   20819  

security-guide-for-developers

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

1479   19700   19700  

macOS-Security-and-Privacy-Guide

Guide to securing and improving privacy on macOS

1293   18093   18093  

hosts

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

1592   18005   18005  

osquery

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

2158   17962   17962  

CheatSheetSeries

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

2400   17154   17154  

API-Security-Checklist

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

1819   15821   15821  

setup-ipsec-vpn

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

4337   15759   15759  

matomo

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

2151   15158   15158  

radare2

UNIX-like reverse engineering framework and command-line toolset

2463   14469   14469  

nginxconfig.io

⚙️ NGINX config generator on steroids 💉

845   12295   12295  

nginx-admins-handbook

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

957   12177   12177  

hacker101

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

2343   11968   11968  

How-To-Secure-A-Linux-Server

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

715   11395   11395  

tink

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

960   11334   11334  

hydra

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

1039   11220   11220  

openzeppelin-contracts

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

5018   10683   10683  

docker-slim

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

376   10312   10312  

keeweb

Free cross-platform password manager compatible with KeePass

878   10082   10082  

labs

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

4986   9989   9989  

bettercap

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

983   9850   9850  

wifiphisher

The Rogue Access Point Framework

2231   9831   9831  

teleport

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

826   9525   9525  

routersploit

Exploitation Framework for Embedded Devices

2033   9414   9414  

cutter

Free and Open Source Reverse Engineering Platform powered by rizin

743   9309   9309  

cilium

eBPF-based Networking, Security, and Observability

1101   8765   8765  

the-practical-linux-hardening-guide

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

489   8591   8591  

zaproxy

The OWASP ZAP core project

1652   8549   8549  

vuls

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

937   8488   8488  

Mailpile

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

1031   8406   8406  

helmet

Help secure Express apps with various HTTP headers

323   8228   8228  

IdentityServer4

OpenID Connect and OAuth 2.0 Framework for ASP.NET Core

3073   8122   8122  

trivy

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

713   8096   8096  

social-analyzer

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

482   7824   7824  

gitleaks

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

674   7739   7739  

sops

Simple and flexible tool for managing secrets

434   7570   7570  

urh

Universal Radio Hacker: Investigate Wireless Protocols Like A Boss

649   7423   7423  

test-your-sysadmin-skills

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

786   7186   7186  

DOMPurify

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

468   7169   7169  

awesome-security

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

1314   6871   6871  

javascript-obfuscator

A powerful obfuscator for JavaScript and Node.js

818   6476   6476  

trape

People tracker on the Internet: OSINT analysis and research tool by Jo...

1116   6419   6419  

oss-fuzz

OSS-Fuzz - continuous fuzzing for open source software.

1286   6344   6344