The best Bot Protection alternative to Cloudflare Turnstile is Anubis. It's not free, so if you're looking for a free alternative, you could try Anubis or Procaptcha. If that doesn't suit you, our users have ranked more than 10 alternatives to Cloudflare Turnstile and five of them are Bot Protection Services so hopefully you can find a suitable replacement. Other interesting Bot Protection Service alternatives to Cloudflare Turnstile are TrustCaptcha and NoBot CAPTCHA API.
Applies sha256 proof-of-work challenges to incoming HTTP requests, targeting AI crawlers, bots that ignore robots.txt, and automated scrapers, protecting server resources and preventing unwanted search engine indexing for privacy-focused sites.
Prosopo Procaptcha redefines user verification with a unique approach that emphasizes privacy and security. It's a pioneering solution designed to offer an alternative to conventional CAPTCHA systems that often compromise user privacy.
Friendly Captcha is a leading cybersecurity company with a clear mission: to reliably defend against modern bot attacks and spam while complying with the GDPR and other privacy regulations. As Germany's largest CAPTCHA provider, Friendly Captcha uses innovative technology to...
TrustCaptcha is a privacy-first, invisible CAPTCHA that protects your website from bots and spam—without disrupting your users.
NoBot CAPTCHA API is a developer-friendly alternative to Google reCAPTCHA that helps prevent automated bot traffic without compromising user privacy.
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Turnstile was being easily bypassed by the various solvers available on GitHub. Procaptcha stopped these bots from getting through.