🔧🔗https://github.com/privacyidea/privacyidea
🔐 multi factor authentication system (2FA, MFA, OTP Server)
🔧🔗https://github.com/goauthentik/authentik The authentication glue you need.
🔧🔗https://github.com/stack-auth/stack-auth Open-source Auth0/Clerk alternative
