Ory is the largest open source community in the world for cloud software application security. We maintain advanced open source security software solving authentication, authorization, access control, application network security, and delegation. Ory implements a variety of industry and best-practice standards including OAuth 2.0 / OAuth 2.1, OpenID Connect, Zero Trust Networking, Google Zanzibar Policy Framework, FIDO2 U2F, WebAuthn, TOTP, and more.

Ory Community

Regarding your redirect question, maybe this graphic can help to clear things up.
its from <https://www.ory.sh/oathkeeper/docs/|here> :point_left:
Also <https://www.ory.sh/oathkeeper/docs/pipeline/authn|the doc about Authenticators> is pretty useful.