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Best Open Source fraud detection Libraries

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

#1fingerprintjs/fingerprintjs

The most advanced free and open-source browser fingerprinting library

26,508TypeScript
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#2yzhao062/pyod

A Python Library for Outlier and Anomaly Detection, Integrating Classical and Deep Learning Techniques

9,722Python
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#3yzhao062/anomaly-detection-resources

Anomaly detection related books, papers, videos, and toolboxes. Last update late 2025 for LLM and VLM works!

9,173Python
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