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Open Source Projects tagged "Anti Abuse"

A curated collection of the best open source projects tagged "Anti Abuse". Each listing includes a website screenshot along with a detailed review of its features.

Cap

Privacy-first CAPTCHA alternative with proof-of-work

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5,241
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373
Last commit
15 hours ago

Lightweight open-source CAPTCHA solution using SHA-256 proof-of-work. 250x smaller than hCaptcha, fully customizable, and privacy-focused with zero telemetry.

Open Source Alternative to:

reCAPTCHA

Private Captcha

GDPR-compliant bot protection without user friction

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166
Forks
5
Last commit
2 days ago

Privacy-first CAPTCHA service that blocks bots while keeping forms accessible. No puzzles, no tracking, no cookies - just invisible cryptographic protection.

Open Source Alternative to:

reCAPTCHA

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