FusionAuth
FusionAuth is the authentication and authorization platform engineered for developers who demand flexibility and control. Built from the ground up to integrate with any stack, every feature — from user registration to MFA and SSO — is exposed via a modern, well-documented API.
Support for every major identity protocol is included out of the box: OIDC, SAML, OAuth2, JWT, passwordless login, social sign-on, and more. Whether you’re building a greenfield app or retrofitting auth into a legacy system, FusionAuth adapts to your use case — not the other way around.
Need compliance? FusionAuth helps you meet GDPR, HIPAA, and COPPA standards quickly and reliably.
Deploy it your way: install on Linux, Windows, macOS, Docker, or Kubernetes — or go with FusionAuth Cloud, our managed SaaS hosting. No black boxes. No vendor lock-in. Just powerful, customizable auth that works the way you do.
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Auth0
Auth0 takes a modern approach to Identity and enables organizations to provide secure access to any application, for any user. Auth0 is highly customizable, and simple yet flexible. Safeguarding billions of login transactions each month, Auth0 delivers convenience, privacy, and security so customers can focus on innovation.
With Auth0, you can rapidly integrate authentication and authorization for web, mobile, and legacy applications, with new Fine Grained Authorization (FGA) that goes beyond role-based access control.
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Microsoft Entra ID
Microsoft Entra ID, previously known as Azure Active Directory, serves as a robust cloud-based identity and access management solution that integrates essential directory services, application access control, and sophisticated identity protection measures. Enhance your organization's security with this cloud identity solution, which effectively links employees, clients, and partners to their applications, devices, and valuable data. Utilize robust authentication methods and risk-adjusted access policies to secure resource access without sacrificing user experience. Ensure a quick and straightforward sign-in process throughout your multicloud infrastructure to boost user productivity, minimize password management time, and enhance overall efficiency. Centralize the management of all identities and access to applications, whether they reside in the cloud or on-premises, to gain better visibility and control over your organization’s resources. This comprehensive approach not only protects sensitive information but also fosters a seamless and efficient working environment for all users.
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Authy
Allow 2FA on your favorite sites. Protect yourself against hackers and account takeovers by going beyond the password. Simple to setup, secure cloud backup, multi device support. Protect your accounts from cyber criminals and avoid account takeovers by enabling 2FA. You can watch the video below to learn why 2FA should be enabled for your accounts. It is no longer safe to rely on usernames and passwords for online account security. Data breaches happen daily and hackers are constantly inventing new ways of taking over your accounts. Enable two-factor authentication (2FA) to protect yourself. This prevents anyone from using your stolen data. It verifies your identity via your device. To protect your online accounts, enable 2FA now
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