ZENCAPTCHA
Privacy-first bot & spam defense, GDPR compliant CAPTCHA
ZENCAPTCHA launched on October 6, 2023 with 115 votes, #523 of 4,393 launches that month and more than 75% of that year's launches. The site was still online in September 2026, 3 years on.
What it does
⚡️🔐 Powerful and Privacy-First! Protect your site, validate users, and effortlessly improve the quality of your user base - all while complying with the strictest privacy regulations. Zencaptcha blocks bots and detects disposable and invalid email addresses.
Protect your website from bots and spam - GDPR compliant and hosted in the EU | Zencaptcha
Zencaptcha protects your website from spam and fraudulent activities. Fake and temporary email addresses are detected and bots are challenged even before they can register or subscribe to your newsletter. Improve the quality of your user data and save valuable server resources and money. 100% GDPR compliant. Zencaptcha's widget strikes the perfect balance between accessibility for humans and difficulty for bots. For maximum protection against automated spam, our advanced system operates on three levels to efficiently detect and block bots. You can get interesting insights and fraud scores for each user through our powerful backend API. Zencaptcha even integrates powerful features such as…from zencaptcha.com
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CodeCaptcha - Hide web links behind coding challenges2022 · codecaptcha.io · ▲163Hello HN, I made this silly project over the long weekend. It’s pretty basic right now and the captchas are very easy. I plan to add captcha difficulty levels for link creators soon.
- WWwehatecaptchas – we’ll keep the bots out without annoying your users2019 · wehatecaptchas.com · ▲136
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