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The Open Alternative

Home/Threat Intelligence

Top Open Source Threat Intelligence Tools in 2026

A curated collection of the 1 best free and open-source Threat Intelligence tools in 2026. Compare features, GitHub stars, tech stacks, and self-hosted software.

Application Security
1
Fraud Prevention
1
Threat Intelligence
1

DataDog
1
Seon
1

CSS
1
GitHub
1
Github Actions
1
HTML
1
JavaScript
1
NodeJS
1
PHP
1

AGPL-3.0
1

Tirreno
Open source security framework for threat monitoring
Stars
1,503
Last commit
23d ago
License
AGPL-3.0

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