#captcha

📊 Python APIs for Web Automation, Testing, and Scraping. CDP Mode launches a stealth browser that bypasses bot-detection/CAPTCHAs. Has a stealth mode for Playwright. Includes an MCP server for AI agents.

OOP wrapper for the ReCaptcha web service

🔥 Cloudflare Turnstile integration for Nuxt

Open-source, frictionless CAPTCHA and bot defense. A privacy-focused alternative to reCAPTCHA and hCaptcha.

hCaptcha Component Library for ReactJS and Preact

Free, open-source and self-hosted CAPTCHA alternative to reCAPTCHA. Privacy-first and powered by proof-of-work and instrumentation challenges.

SafeLine is a self-hosted WAF(Web Application Firewall) / reverse proxy to protect your web apps from attacks and exploits.

Independent, privacy-first, self-hostable PoW CAPTCHA service made in EU

A blazing fast, async-first, undetectable webscraping/web automation framework based on ultrafunkamsterdam/nodriver. Now with Docker support!

js hook toolkit that all you need

Stealth Chromium that passes every bot detection test. Drop-in Playwright replacement with source-level fingerprint patches. 30/30 tests passed.

GDPR, WCAG 2.2 AA, and EAA compliant, self-hosted CAPTCHA alternative with PoW mechanism.

A JavaScript library for creating and verifying ALTCHA challenges.

hCaptcha React Native SDK

Captcha Protect is a Traefik middleware that challenges client IPs on protected routes using Turnstile, reCAPTCHA, hCaptcha, or proof-of-javascriptr the challenge.

A .NET HTTP client for Cloudflare's Turnstile API, commonly used for server validation

A validation module checking Cloudflare Turnstile tokens

Self-hosted, invisible CAPTCHA that detects AI agents driving real browsers. GDPR, WCAG 2.2 AA, and EAA: no cookies, no third-party data sharing, and no visual or audio puzzle. With a false-positive budget enforced in CI. Proof of work, drop-in for Turnstile and reCAPTCHA.

Generate and validate CAPTCHAs using Figlets, images, ReCaptcha, and more