Auth & Identity
Open-source identity providers and auth stacks instead of Auth0 or Okta.
Keycloak
Battle-tested open-source identity and access management.
Authentik
Flexible identity provider with flows, SSO, and proxy auth.
SuperTokens
Open-source auth with session management and optional managed cloud.
Logto
Open-source Auth0 alternative focused on OIDC and developer UX.
Authelia
Single sign-on and 2FA companion for reverse proxies.