Ory Kratos is an identity management solution with MFA, passwordless, WebAuthn and so on, so I would argue for most use cases it alone is comparable. But there

Ory Kratos is an identity management solution with MFA, passwordless, WebAuthn and so on, so I would argue for most use cases it alone is comparable. But there are two more Ory services; one for permissions / authZ and an OAuth2 server. You can make use of those to cover the full range of authN/authZ use cases.