Top Alternatives to Cloudflare Turnstile in 2026
Top Online & JavaScript apps like Cloudflare Turnstile
Cloudflare Turnstile
Turnstile is Cloudflare's smart CAPTCHA alternative. It automatically chooses from a rotating suite of non-intrusive browser challenges based on telemetry and client behavior exhibited during a session.
★ 3.0 average rating
License
Free • ProprietaryPlatforms
Online,JavaScript,Software as a Service SaaS
5 alternatives found
ALTCHA
ALTCHA uses a proof-of-work mechanism to protect your website, APIs, and online services from spam and unwanted content. Unlike other CAPTCHA solutions, ALTCHA is free, open-source and self-hosted, does not use cookies nor fingerprinting, does not track users, and is fully...
Friendly Captcha
Friendly Captcha is a tool for preventing spam on your website.
mCaptcha
★ 2.3A no-nonsense CAPTCHA system with seamless UX | Backend component.
Procaptcha
Prosopo Procaptcha redefines user verification with a unique approach that emphasizes privacy, security, and decentralization. It's a pioneering solution designed to offer an alternative to conventional, centralized CAPTCHA systems that often compromise user privacy.
Trustcaptcha
★ 1.3Trustcaptcha is your user-friendly CAPTCHA solution for preventing spam and bot attacks on your website with a focus on GDPR compliance and UX.