Protect your applications with Single Sign-On and 2 Factor. Authelia is an open-source full-featured authentication server available on Github.



Ping Identity is described as 'What is Ping Identity? Ping Identity is a comprehensive suite of identity services, including multi-factor authentication, single sign-on, access security, directory, data governance and API cybersecurity' and is a identity management tool in the network & admin category. There are nine alternatives to Ping Identity for a variety of platforms, including Web-based, SaaS, Self-Hosted, Kubernetes and Android apps. The best Ping Identity alternative is Authelia, which is both free and Open Source. Other great apps like Ping Identity are Auth0, Clerk Authentication, Hiboo SSO and Apigee.
Protect your applications with Single Sign-On and 2 Factor. Authelia is an open-source full-featured authentication server available on Github.



You can connect any application (written in any language or on any stack) to Auth0 and define its Connection, the method used to authenticate the users of that application:



Clerk is more than a "sign-in box." Integrate complete user management UIs and APIs, purpose-built for React, Next.js, and the Modern Web.

Apigee is a free tools platform for developers and API providers to debug, test, protect and get analytics on APIs.
A no-code CIAM, reimagined for collaboration. It empowers developers, marketing, and operations to work together on the customer identity experience, resulting in faster innovation and user journeys.



CentralAuth is an authentication service that provides user login functionality for web applications. The platform implements security protocols and authentication flows, allowing development teams to integrate user authentication without building these systems internally.

Phase Two builds on top of Keycloak, one of the most widely used open source identity and access management systems in the world. Our extensions bring multi-tenancy, audit logging, a self-service admin portal, and more to enhance Keycloak for SaaS and on-premise use cases.


The Curity Identity Server brings identity and API security together, allowing scalable and secure user access to apps and websites. In addition, it enables consistent authentication experiences for customers, employees, and partners.