1.logto-io / logto
🧑🚀 Authentication and authorization infrastructure for SaaS and AI apps, built on OIDC and OAuth 2.1 with multi-tenancy, SSO, and RBAC.
+652 stars
from 14,179 · score 6.48
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2.ory / polis
Streamline your web application's authentication with Polis, an SSO service supporting SAML and OpenID Connect protocols. Beyond enterprise-grade Single Sign-On, it also supports Directory Sync via the SCIM 2.0 protocol for automatic user and group provisioning/de-provisioning.
+20 stars
from 2,249 · score 3.04
3.UPDOT / payload-auth-plugin
Authentication plugin for Payload CMS
+5 stars
from 305 · score 1.79