jelban.js
Another email addresses filter; filters out disposable and addresses' alias
spamc
Compute the spamassassin spam score of an email
altcha
Privacy-first CAPTCHA widget, compliant with global regulations (GDPR/HIPAA/CCPA/LGDP/DPDPA/PIPL) and WCAG accessible. No tracking, self-verifying.
akismet-api
Nodejs bindings to the Akismet (https://akismet.com) spam detection service