privacy-first, open-source and self-hosted CAPTCHA alternative with PoW and instrumentation challenges.
- Language
- JavaScript
- Licence
- Other
- Stars
- 7.9k
- Latest
- standalone@3.1.13
- Last push
- 2026-10-04
CAPTCHAs and bot checks
Tell humans from bots on forms and sign-ups without sending visitors to a third-party tracker.
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GDPR, WCAG 2.2 AA, and EAA compliant, self-hosted CAPTCHA alternative with PoW mechanism.
- Language
- TypeScript
- Licence
- MIT
- Stars
- 2.8k
- Latest
- v3.3.0
- Last push
- 2026-10-05