Google's service that scores or challenges visitors to tell humans from bots. Um produto fechado de Google.
| Ferramenta | Substituição | Estrelas | Licença | Termos | Auto-hospedado | Linguagem | Última release | Último push |
|---|---|---|---|---|---|---|---|---|
| Cap | Substituição completa | 7.9k | Other | Código aberto | Sim | JavaScript | standalone@3.1.13 | 2026-10-04 |
| ALTCHA | Substituição completa | 2.8k | MIT | Código aberto | Sim | TypeScript | v3.3.0 | 2026-10-05 |
2 alternativas
privacy-first, open-source and self-hosted CAPTCHA alternative with PoW and instrumentation challenges.
Proof-of-work CAPTCHA with a self-hosted server and an invisible mode.
GDPR, WCAG 2.2 AA, and EAA compliant, self-hosted CAPTCHA alternative with PoW mechanism.
Proof-of-work widget verified on your own server, with no cookies or tracking.