ALTCHA

ALTCHA is a self-hosted Captcha and bot protection service designed to secure data and users with a privacy-first approach. It eliminates tracking, cookies, and fingerprinting, providing a robust, accessible, and globally compliant security solution without puzzles. ALTCHA is tailored for developers and businesses seeking to protect their websites, apps, and services from automated threats while ensuring compliance with data protection regulations.

Key features:

• 100% self-hosted with no external calls or data sharing
• Adaptive Captcha with memory-bound algorithms for faster verification
• Multi-layered detection including threat intelligence and machine learning
• Supports over 50 languages with RTL support for global accessibility
• Compatible with various frameworks and server libraries for easy integration
• Provides enterprise-grade protection with compliance to global regulations