Tools / product

ALTCHA

MIT self-hosted CAPTCHA alternative using a proof-of-work mechanism. GDPR and WCAG 2.2 AA oriented.

URL

https://altcha.org

GitHub

https://github.com/altcha-org/altcha

Collection

Developer Tools

Language

TypeScript

License

MIT License

Stars

2,831

Open source

Yes

captchasecurityprivacyopen-sourceself-hosted

Used in stacks

• ALTCHA / mCaptcha