Keycloak is described as 'Open Source Identity and Access Management for modern Applications and Services' and is a identity management tool in the network & admin category. There are more than 50 alternatives to Keycloak for a variety of platforms, including Web-based, Self-Hosted, SaaS, Linux and Windows apps. The best Keycloak alternative is VoidAuth, which is both free and Open Source. Other great apps like Keycloak are authentik, Authelia, ZITADEL and Hanko.
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.
LoginRadius is SaaS based CIAM platform that manages consumer identity and privacy, allowing businesses to customize a secure and delightful digital experience their consumers will love.
10Duke Identity Provider makes it easy for your customers to access and register to multiple applications with single username and password or using their favorite social login, secures profile data and easily integrates with leading business tools.
Ory builds cloud-native authentication (login), authorization (permission), delegation (OAuth2, OpenID Connect), and user management software. You can deploy what you need yourself or use the Ory Network and get started in minutes.
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.
Permit.io is the permissions infrastructure for the internet. It is a fullstack authorization solution that enables developers to bake in access control into their code in minutes and be ready for future requirements from customers and regulators.
OneLogin is a cloud-based IAM solution providing users secure access to cloud applications from any device.
No-code authentication service. Octauthent can help you secure any website with a login form, without a single line of code.
OpenAM provides open source authentication, authorization, entitlement and federation software. Through OpenAM, the community actively continues development of OpenSSO.
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Keycloak is open source, login radius not.