Whether you’re a developer looking to innovate or a security professional looking to mitigate, we make identity work for everyone. Auth0 is the solution you need for web, mobile, IoT, and internal applications. Loved by developers and trusted by enterprises.
Provides secure access for everyone, ensuring smooth and safe login experiences for users. It’s a powerful identity platform that helps startups manage authentication without compromising on security.
Being an Auth0 ambassador, I would say this is the best option out there for Authentication system across the platforms and doesn't require building the auth from ground up.