Solutions for Individuals
Whether you run a personal blog, portfolio, small business website, community forum, or side project, bots don't care how big your site is. Contact form spam, fake registrations, comment abuse, and automated attacks affect websites of every size.
ALTCHA helps you protect your website without sacrificing your visitors' privacy or user experience. Unlike traditional CAPTCHA services, ALTCHA is privacy-first and free from tracking, cookies, and fingerprinting — whether you self-host the widget yourself or let ALTCHA Cloud manage the infrastructure for you.
Open-Source
Best for developers, hobby projects, custom websites, static sites, and self-hosted applications.
The open-source ALTCHA widget makes it easy to protect virtually any form or API. Whether you're building with plain HTML, React, Vue, Svelte, Angular, or your own backend, ALTCHA integrates with your existing stack.
Highlights
- Free and open source (MIT license)
- Lightweight and fast
- Self-hosted with no external requests
- No cookies, tracking, or fingerprinting
- Accessible and privacy compliant
- Libraries available for multiple server-side languages and frontend frameworks
WordPress Plugin
Best for WordPress blogs, business websites, WooCommerce stores, and membership sites.
Protect your WordPress website in minutes without writing code. The ALTCHA WordPress plugin integrates seamlessly with WordPress to stop spam while keeping the experience simple for legitimate visitors.
Highlights
- Easy installation
- Privacy-first by default
- No dependency on external CAPTCHA providers
- Unlimited verifications
- Built-in firewall and rate limiting
- Designed for high-traffic websites
Perfect if you want reliable spam protection without maintaining custom integrations. The plugin can also be connected to ALTCHA Cloud for adaptive, fully managed protection.
ALTCHA Cloud
Best for power users, creators, and anyone who wants more than a CAPTCHA without running their own infrastructure.
ALTCHA Cloud is a fully managed bot protection service, powered by the same adaptive detection engine behind ALTCHA Sentinel. It combines adaptive CAPTCHA, real-time threat intelligence, and risk-based decisioning into a complete protection platform — hosted entirely in the EU, with nothing to install or maintain.
If your website receives persistent spam, fake registrations, scraping attempts, AI-generated abuse, or targeted attacks, Cloud provides enterprise-grade protection in minutes, with a dashboard to monitor traffic and threats as they happen.
Includes
- Adaptive CAPTCHA
- Real-time threat intelligence
- Risk-based, adaptive decisioning
- EU-hosted infrastructure with data residency
- Dashboard with analytics and logs
- No servers to install, patch, or maintain
Perfect if you want comprehensive, adaptive protection without the effort of running your own detection infrastructure. Every plan includes a 30-day free trial — see Pricing for details.
Which Solution Should You Choose?
| If you... | Recommended |
|---|---|
| Build your own website or application | Open-Source Widget & Libraries |
| Run a WordPress website | WordPress Plugin |
| Want advanced, adaptive protection without managing a server | ALTCHA Cloud |
| Need advanced protection but prefer to run it on your own infrastructure | ALTCHA Sentinel |
Why Individuals Choose ALTCHA
- Privacy first — No tracking, cookies, or fingerprinting, whether you self-host or use Cloud.
- Flexible hosting — Self-host the open-source widget, or let ALTCHA Cloud handle the infrastructure for you.
- Open source — The core widget is transparent, auditable, and community-driven.
- Accessible — Designed to comply with WCAG and modern accessibility requirements.
- Fast — Lightweight widget with excellent performance.
- Scales with you — Start with the free open-source widget and upgrade to ALTCHA Cloud whenever your website needs more advanced, adaptive protection.