Best Identity Provider Products in 2025

Auth0 is a program for people to get authentication and authorization services for their own business use.

Open Source

Enterprise-grade identity management for all your apps, users & devices

Verify your customers in under 15 seconds anywhere in the world with a cutting-edge SaaS & API platform for Identity Verification and AML/KYC compliance.

Try for free freemium $0.1 (per credit)

On-demand SSO, directory integration, user provisioning and more

Azure Active Directory is a comprehensive identity and access management cloud solution that provides a robust set of capabilities to manage users and groups and help secure access to applications including Microsoft online services like Office 365 …

Amazon Cognito lets you add user sign-up, sign-in, and access control to your web and mobile apps quickly and easily. It scales to millions of users and supports sign-in with social identity providers and enterprise identity providers via SAML 2.0.

Ping Identity provides cloud-based, single sign-on and identity management solutions with their SAML SSO.

Open Source Identity and Access Management for modern Applications and Services.

Open Source

Loginradius is a cloud-based customer identity and access management platform. LoginRadius empowers businesses to deliver a delightful customer experience without compromising security.

Crowd is a single sign-on and user identity solution.

IdentityIQ is an IAM solution that unifies identity management processes across cloud, mobile and on-premises environments.

Google Cloud Identity & Access Management (IAM) lets administrators authorize who can take action on specific resources, giving you full control and visibility to manage cloud resources centrally.

JSON Web Tokens are an open, industry standard RFC 7519 method for representing claims securely between two parties.

Open Source

Cloud-based directory services. Alternative to Microsoft Active Directory.