Security · GitHub

Protect systems, find vulnerabilities, and improve privacy.

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Useful GitHub projects

2,880 projectsUpdated --

1849

Mailpile

mailpile

8,807stars

A free & open modern, fast email client with user-friendly encryption and privacy features

SecurityPythonGitHub

1850

recheck

makenowjust-labs

306stars

The trustworthy ReDoS checker

SecurityScalaMITGitHub

1851

malwaredb-rs

malwaredb

65stars

MalwareDB: bookkeeping for malware, goodware, and unknown files with relationship discovery

Store malicious, benign, or unknown file samples.
Labels, build your own custom hierarchical taxonomy.

SecurityRustApache-2.0GitHub

1852

Malware-Feed

MalwareSamples

364stars

Bringing you the best of the worst files on the Internet.

SecurityShellMITGitHub

1853

Bug-Bounty-Methodology

Maniesh-Neupane

339stars

Bug Bounty Methodology

Security GitHub

1854

An AI-driven dynamic protocol fuzzer for the Model Context Protocol (MCP). Prove runtime exploitability by discovering state violations, transport crashes, and application-layer logic flaws (SSRF, LFI) before your AI agents do.

SecurityPythonMITGitHub

1855

marcellelee.github.io

marcellelee

27stars

Cybersecurity Researcher, Consultant, Educator, Author

SecurityRubyGitHub

1856

invisible_captcha

markets

1,253stars

🍯 Unobtrusive and flexible spam protection for Rails apps

SecurityRubyMITGitHub

1857

email2phonenumber

martinvigo

2,829stars

A OSINT tool to obtain a target's phone number just by having his email address

SecurityPythonMITGitHub

1858

Fenjing

Marven11

1,319stars

专为CTF设计的Jinja2 SSTI全自动绕WAF脚本 | A Jinja2 SSTI cracker for bypassing WAF, designed for CTF

SecurityPythonMPL-2.0GitHub

1859

matano

matanolabs

1,708stars

Open source security data lake for threat hunting, detection & response, and cybersecurity analytics at petabyte scale on AWS

Security Data Lake: Normalize unstructured security logs into a structured realtime data lake in your AWS account.
Collect All Your Logs: Integrates out of the box with 50+ sources for security logs and can easily be extended with custom sources.

SecurityRustApache-2.0GitHub

1860

matecloud

mateaix

1,711stars

🔥MateCloud是一款基于Spring Cloud Alibaba的微服务架构。目前已经整合Spring Boot 4.0.8、 SpringCloud 2025、Spring Cloud Alibaba 2025、Spring AI 2.0.1、Spring Security Oauth2、Feign、Dubbo、JetCache、RocketMQ等，支持多租户的低代码平台，Saas平台开发套件

SecurityJavaApache-2.0GitHub

1861

meile-gui

MathNodes

53stars

Meile dVPN GUI for Linux, OS X, and Windows - Powered by the Sentinel Network

SecurityPythonGPL-3.0GitHub

1862

matomo

matomo-org

22,028stars

Empowering People Ethically 🚀 — Matomo is hiring! Join us → https://matomo.org/jobs Matomo is the leading open-source alternative to Google Analytics, giving you complete control and built-in privacy. Easily collect, visualize, and analyze data from websites and apps. Star us on GitHub ⭐️ – Pull Requests welcome!

SecurityPHPGPL-3.0GitHub

1863

matrix.to

matrix-org

1,431stars

A simple stateless privacy-protecting URL redirecting service for Matrix

SecurityJavaScriptApache-2.0GitHub

1864

agentscan

MatteoGabriele

128stars

Automation pattern detection for open source maintainers

SecurityTypeScriptMITGitHub

1865

zksync

matter-labs

4,914stars

zkSync: trustless scaling and privacy engine for Ethereum

SecurityRustApache-2.0GitHub

1866

Umbraco-CSP-manager

Matthew-Wise

26stars

Content security policy manager for Umbraco

Frontend & Backend CSP Management — Configure separate Content Security Policies for your website frontend and Umbraco backoffice
Intuitive Backoffice Interface — Easy-to-use management screens within the Umbraco backoffice

SecurityC#MITGitHub

1867