ALTCHA is a privacy-first solution built to help developers and website owners stop bots, spam, and automated abuse — without making things harder for real users. It replaces traditional CAPTCHA systems with a smarter, quieter approach to verification and threat detection.
Cost / License
- Free
- Open Source (MIT)
Application type
Platforms
- Self-Hosted
- Software as a Service (SaaS)
Czechia
EU


