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ory/kratos
What is Ory Kratos?
Headless, cloud-native authentication and identity management server It has 13,948 stars on GitHub and ranks #97 in Security & Privacy. You can host it on your own server and keep your data.
GitHub description: Headless cloud-native authentication and identity management written in Go. Scales to a billion+ users. Replace Homegrown, Auth0, Okta, Firebase with better UX and DX. Passkeys, Social Sign In, OIDC, Magic Link, Multi-Factor Auth, SMS, SAML, TOTP, and more. Runs everywhere, runs best on Ory Network.
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