
Description: IdentityServer is an open source OpenID Connect and OAuth 2.0 framework for ASP.NET Core used to enable single sign-on, API access control and user profile management. It supports token-based authentication and authorization for web sites, web APIs and native/mobile applications.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Auth0 is an identity and access management platform that provides user authentication and authorization services for web and mobile applications. It handles login, signup, password reset, and account management out of the box.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API