Auth0

Auth0 is a flexible, drop-in identity platform that handles authentication and authorization for developers.

Auth0 streamlines identity management by offloading complex security tasks like OAuth 2.0 integration, Multi-Factor Authentication (MFA), and passwordless login to a managed service. It supports over 30 SDKs (including React, Next.js, and Python) and connects to any identity provider (Google, GitHub, or Enterprise AD) with minimal configuration. By centralizing user data and security protocols, Auth0 allows engineering teams to deploy production-ready login flows in minutes while ensuring compliance with standards like SOC2 and GDPR.

https://auth0.com