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Best Open Source security tools Libraries

A curated list of the most popular GitHub repositories tagged with security tools. Select any project to visualize its architecture and dive into the codebase using RepoMind's AI engine.

#1x64dbg/x64dbg

An open-source user mode debugger for Windows. Optimized for reverse engineering and malware analysis.

47,901C++
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#2KeygraphHQ/shannon

Shannon Lite is an autonomous, white-box AI pentester for web applications and APIs. It analyzes your source code, identifies attack vectors, and executes real exploits to prove vulnerabilities before they reach production.

33,850TypeScript
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#3aquasecurity/trivy

Find vulnerabilities, misconfigurations, secrets, SBOM in containers, Kubernetes, code repositories, clouds and more

33,168Go
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#4Lissy93/web-check

🕵️‍♂️ All-in-one OSINT tool for analysing any website

32,317TypeScript
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#5gitleaks/gitleaks

Find secrets with Gitleaks 🔑

25,447Go
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#6Infisical/infisical

Infisical is the open-source platform for secrets, certificates, and privileged access management.

25,437TypeScript
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#7trufflesecurity/trufflehog

Find, verify, and analyze leaked credentials

25,062Go
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#8bee-san/RustScan

🤖 The Modern Port Scanner 🤖

19,447Rust
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#9fail2ban/fail2ban

Daemon to ban hosts that cause multiple authentication errors

17,228Python
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#10smicallef/spiderfoot

SpiderFoot automates OSINT for threat intelligence and mapping your attack surface.

16,987Python
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#11CISOfy/lynis

Lynis - Security auditing tool for Linux, macOS, and UNIX-based systems. Assists with compliance testing (HIPAA/ISO27001/PCI DSS) and system hardening. Agentless, and installation optional.

15,403Shell
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#12wazuh/wazuh

Wazuh - The Open Source Security Platform. Unified XDR and SIEM protection for endpoints and cloud workloads.

14,985C++
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#13jason5ng32/MyIP

The best IP Toolbox. Easy to check what's your IPs, IP geolocation, check for DNS leaks, examine WebRTC connections, speed test, ping test, MTR test, check website availability, whois search and more! || 可能是最好用的IP工具箱。轻松检查你的 IP,IP 地理位置,检查DNS泄漏,检查 WebRTC 连接,速度测试,ping 测试,MTR测试,检查网站可用性,查询 Whois 信息等等。

9,961Vue
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#14vxcontrol/pentagi

✨ Fully autonomous AI Agents system capable of performing complex penetration testing tasks

9,933Go
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#151N3/Sn1per

Attack Surface Management Platform

9,455Shell
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#16toniblyx/my-arsenal-of-aws-security-tools

List of open source tools for AWS security: defensive, offensive, auditing, DFIR, etc.

9,413Shell
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#17google/osv-scanner

Vulnerability scanner written in Go which uses the data provided by https://osv.dev

8,734Go
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#18securego/gosec

Go security checker

8,723Go
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#19A-poc/RedTeam-Tools

Tools and Techniques for Red Team / Penetration Testing

8,572
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#20Ullaakut/cameradar

Cameradar hacks its way into RTSP videosurveillance cameras

4,923Go
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#21OWASP/Nettacker

Automated Penetration Testing Framework - Open-Source Vulnerability Scanner - Vulnerability Management

4,889Python
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#22Astrosp/Awesome-OSINT-For-Everything

OSINT tools for Information gathering, Cybersecurity, Reverse searching, bugbounty, trust and safety, red team oprations and more.

3,104Shell
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#23phishdestroy/destroylist

Real-time phishing & scam domain blocklist — 110k+ curated threats, 828K+ community, free API, multiple formats

963HTML
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#24saturneric/GpgFrontend

A modern "Enigma" built on GnuPG brings easy and trustworthy to your privacy life.

713C++
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#25yaklang/yaklang

A programming language exclusively designed for cybersecurity

540Go
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#26rix4uni/medium-writeups

This repository updates latest Bug Bounty medium writeups every 10 minutes, https://readmedium.com/Medium_URL, https://archive.ph/Medium_URL, https://freedium.cfd/Medium_URL

166Go
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#27Galvnyz/M365-Assess

274 Automated checks across 14 compliance frameworks, interactive HTML report, no data leaves your machine.

110PowerShell
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