Privacy-first CAPTCHA widget, compliant with global regulations (GDPR/HIPAA/CCPA/LGDP/DPDPA/PIPL) and WCAG accessible. No tracking, self-verifying.
A lightweight library for creating and verifying ALTCHA challenges on the server.
ALTCHA React Native widget supporting PoW v2
A lightweight library simplifying asymmetric data encryption using Web Crypto
Type safe react wrapper library for Altcha, open source, self-hostable captcha provider.
JavaScript client for ALTCHA Analytics.
Plugins for the ALTCHA widget.
A library for creating and verifying ALTCHA challenges for Node.js, Bun and Deno.
Node lib for solve altcha
Firebase App Check provider.
ALTCHA captcha field plugins for FormLayer
JavaScript library for easy integration with the API of 2captcha captcha solving service to bypass reCAPTCHA, funcaptcha, geetest and solve any other captchas.
Privacy-first CAPTCHA widget, compliant with global regulations (GDPR/HIPAA/CCPA/LGDP/DPDPA/PIPL) and WCAG accessible. No tracking, self-verifying.
Official Anti-Captcha.com npm library
Type-safe progressive enhancement for server-rendered HTML forms
Privacy-first CAPTCHA widget, compliant with global regulations (GDPR/HIPAA/CCPA/LGDP/DPDPA/PIPL) and WCAG accessible. No tracking, self-verifying.
Frontend-only OpenLoop adapter for Pindrop.js.
n8n node for solving captchas using CapMonster Cloud API
Authentication client for Netuno Platform services integrations using JWT (JSON Web Token).
GDPR compliant, self-hosted CAPTCHA alternative.
Self-hosted proof-of-work CAPTCHA. Privacy-first reCAPTCHA alternative with zero tracking.
Invisible bot protection — no CAPTCHAs, no limits, no cost. Open source.
The official Rust implementation of the ALTCHA Proof-of-Work (v2) protocol.
Community implementation of the Altcha library in Rust for your own server application to create and validate challenges and responses.
Community implementation of the Altcha library in Rust for your own server application to create and validate challenges and responses.
[DO NOT USE — UNDER ACTIVE DEVELOPMENT, NOT PRODUCTION-READY] Captcha solver scaffolding for chromiumoxide-driven browsers. The architecture is in place (vendor solvers, retry-loop iframe walking, VLM provider abstraction, real-WAF bench harness) but the live-vendor success rate is still 0% — Cloudflare Turnstile / hCaptcha / reCAPTCHA detect us at a TLS / CDP fingerprint layer that no flag-based stealth has cleared. Watch the repo; do not depend on this for any real workload.
A lightweight library for creating and verifying ALTCHA challenges.
ALTCHA is a free, open-source CAPTCHA alternative that protects your website from spam and abuse. This gem implements the ALTCHA v1 challenge protocol (challenge creation and submission verification) and integrates with Rails.cache for replay protection.
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