Open Source Projects tagged "Anti Bot"
A curated collection of the best open source projects tagged "Anti Bot". Each listing includes a website screenshot along with a detailed review of its features.
Privacy-first CAPTCHA alternative with proof-of-work
Stars
7,688Last commit
2 days agoLicense
Apache-2.0
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:
Next-Gen CAPTCHA and Spam Protection, GDPR compliant
Stars
2,735Last commit
18 days agoLicense
MIT
ALTCHA offers cutting-edge spam and abuse protection for websites and apps, with privacy-friendly CAPTCHA alternatives designed for GDPR compliance.
Open Source Alternative to:
GDPR-compliant bot protection without user friction
Stars
193Last commit
1 day agoLicense
Unknown
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:
Invisible bot protection that respects user privacy
Stars
33Last commit
3 days agoLicense
MPL-2.0
Privacy-compliant CAPTCHA alternative using proof-of-work technology. Protects websites from bots and spam without user interaction or data tracking.
Open Source Alternative to:
ScreenshotOne – The screenshot API for developers. Render screenshots in one simple API call
ScreenshotOne