Open Source Identity and Access Management for modern Applications and Services.
United States
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Open Source FusionAuth AlternativesIdentity Management Tools and other similar apps like FusionAuth
The best open source alternative to FusionAuth is Keycloak. If that doesn't suit you, our users have ranked more than 50 alternatives to FusionAuth and many of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to FusionAuth are Authelia, authentik, AuthKit and Hanko.
Alternatives list
- 92 Keycloak alternatives
38 Authelia alternativesProtect your applications with Single Sign-On and 2 Factor. Authelia is an open-source full-featured authentication server available on Github.
47 authentik alternativesauthentik is an open-source identity provider focused on flexibility and versatility.
Cost / License
- Freemium
- Open Source
Application type
Platforms
- Mac
- Linux
- Self-Hosted
- Kubernetes
- Docker
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AuthKit is a Radix-powered open source authentication UI built for effortless customizations. User Management is the backend platform handling email verification, account linking, bot blocking, organization modeling, and more.
Cost / License
- Freemium
- Open Source (MIT)
Platforms
- Online
- Self-Hosted
+2
Hanko is a modern open source Authentication & User Management system – built and hosted in the EU. Alternative to Clerk, Auth0, Stytch, Descope.
Cost / License
- Freemium
- Open Source
Application type
Platforms
- Self-Hosted
- Software as a Service (SaaS)
Stack is an open-source, self-hostable, and highly customizable authentication and user management system.
Cost / License
- Freemium
- Open Source
Application type
Platforms
- Online
- Self-Hosted
- Software as a Service (SaaS)
47 Kanidm alternativesKanidm is an identity management server, acting as an authority on account information, authentication and authorisation within a technical environment.
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.
38 Pocket ID alternativesThe goal of Pocket ID is to be a simple and easy-to-use. There are other self-hosted OIDC providers like Keycloak or ORY Hydra but they are often too complex for simple use cases.
Cost / License
- Free
- Open Source (BSD-2-Clause)
Platforms
- Self-Hosted
- Docker
59 Logto alternativesLogto helps you build the sign-in, auth, and user identity within minutes. We provide an OIDC-based identity service and the end-user experience with username, phone number, email, and social sign-in, for web and native apps.
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Nubus is a modular open-source solution for centralized identity & access management, providing secure user management, role-based access control, and Single Sign-On (SSO) via a central web portal.
Cost / License
- Freemium
- Open Source (AGPL-3.0)
Application type
Platforms
- Online
- Self-Hosted
- Kubernetes
- Software as a Service (SaaS)
Cost / License
- Free
- Open Source (GPL-3.0)
Platforms
- Self-Hosted
- NGINX
- Docker
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