Cybersecurity Tools GitHub Repositories (2026) · Open Source Tools

Open-source AI penetration testing tool to find and fix your app’s vulnerabilities.

Open-source AI-powered offensive security harness for automated penetration testing.

Building 70 Projects ranging from beginner to advanced so anyone can — learn from, build upon, use as a reference, or even copy directly. Owned by my cybersecurity company 👇

Cybersecurity Threats & Vulnerabilities Guide is a comprehensive educational resource that provides detailed documentation, detection scripts, and prevention strategies for various cybersecurity threats.

Vigil SOC: The leading open source AI SOC. Apache 2.0. Runs against your own LLM, local or remote.

The project is a multi-user cybersecurity education chatbot built with Flask, aimed at a school/classroom project.

Cybersecurity Harness

Linux defense. Your host. Your rules. Host-local Linux defense with auditable, fail-closed enforcement.

Open source compliance automation for SOC 2, GDPR, ISO27001, NIST 800-53, and more

Reconmap is a collaboration-first security operations platform for infosec teams and MSSPs, enabling end‑to‑end engagement management, from reconnaissance through execution and reporting. With built-in command automation, output parsing, and AI‑assisted summaries, it delivers faster, more structured, and high‑quality security assessments.

Open source agentic SAST. The engine behind hundreds of disclosed zero-days. 100+ AI security agents, any repo or PR diff, bring your own model.

Open-source agentic security operations platform: