Authelia — #3 Alternative to Okta
Lightweight Go authentication and 2FA portal pairing seamlessly with reverse proxies
Authelia runs as a tiny stateless companion to Caddy, Traefik, NGINX, or HAProxy, providing OpenID Connect 1.0, WebAuthn security keys, TOTP, and fine-grained per-domain access rules.
License: Apache-2.0 · Pricing: Free & Open Source · Compare all Okta alternatives · Official Website