Tirreno provides an open-source platform for preventing cyber fraud, account takeovers, spam, and abuse that you can self-host. Get started - free.

Prevent card-attack fraud on WooCommerce stores by rate-limiting the "place order" button

PHP SDK for Fingerprint Pro Server API

MyAdmin MaxMind Fraud Plugin

MyAdmin FraudRecord Fraud Plugin

All scam/fraud email address list

Sift (fraud detection) integration with Magento 2

Fraud Protection for PHP (Symphony)

VoIP fraud project

Fraud Protection for PHP (Laravel)