Unlock Thousands of Free Cybersecurity Resources,Organized & Easy to Find
Describe your challenge, and our AI search finds the best free open-source solutions. From single scripts and datasets to entire frameworks, discover free alternatives for SIEM, EDR, XDR, and more.
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The Problem
"My web app failed an audit for XSS vulnerabilities. Where do I start?"
Describe Your Goal
tools to find and fix XSS in a Python app
Select the Right Tool
OWASP ZAP
Bandit
Why OpenSec Atlas?
Curated, Not Crawled
Every repo reviewed for relevance and health.
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Cross‑mapped to MITRE, CIS, and NIST.
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Stars, commit activity, maintenance, and license at a glance.
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"OpenSec Atlas is my go-to starting point for any security tooling research. The deep mapping to MITRE ATT&CK is a game-changer for building out our defensive capabilities."
Principal Security Engineer
"I've discovered so many underrated open-source gems here that I now use daily. It's like having a curated arsenal at your fingertips. Invaluable for any red teamer."
Lead Penetration Tester
"This directory saves me hours every week. Instead of sifting through dozens of GitHub repos, I can quickly find vetted, active projects that fit directly into our CI/CD pipeline."
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