Cost / License
- Free
- Open Source
Platforms
- Mac
- Windows
- Linux
- Online
- Self-Hosted


FusionAuth is an auth for any app. Get everything you need for secure registration and user management in minutes. Single-tenant, on-prem or private cloud, custom emails with localization, social login, and more.




OpenAM provides open source authentication, authorization, entitlement and federation software. Through OpenAM, the community actively continues development of OpenSSO.
Single Sign-On for your employees to help them get their job done more efficiently; it also helps your company act more securely, by providing a single point of provisioning and deprovisioning.

HelloID is a cloud-based Identity & Access Management (IAM) solution. It has functionality that includes automated self service, provisioning, password reset, among other modules.
An open-source, standards-compliant, and flexible OpenID Connect and OAuth 2.0 framework for ASP.NET Core.




OpenID Connect / OAuth 2 server for single sign-on, identity provision and federation, and securing web APIs with access tokens. Supports profiles for fintech applications, eHealth, eGovernment and others.
Self-hosted, open-core Identity & Access Management in Go. OIDC/OAuth 2.0, SAML 2.0, SCIM 2.0, FAPI 2.0 and the EU Digital Identity Wallet stack (eIDAS 2.0). Multi-tenant, runs inside your perimeter.


Kno is an API for providing secure passwordless authentication for your web application. Kno offers web-based, one click access


The authentication platform that helps you secure your apps with branded login pages and your choice of identity methods.

AWS IAM Identity Center is the recommended service for managing your workforce's access to AWS applications, such as Amazon Q Developer. It is a flexible solution that can be used to connect your existing identity source once and gives your AWS applications a common view of...

IAM authorization as service. Protects service resource assets, helps to ensure user data privacy, and make any app enterprise-security level ready.