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 100 alternatives to Keycloak for a variety of platforms, including Web-based, SaaS, Self-Hosted, 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.
Quickly release your next application by leveraging pre-built modules as a service. Bergx helps you focus on building the features your customers are excited about by providing the "under-the-surface" features for you.
United States
Authpack provides a complete user and team management API and Dashboard installed with just 8 lines of code and featuring a built-in API explorer for developers to easily perform complex GraphQL operations on data from inside the app.
Permify is a open-source authorization service for creating and managing fine-grained permissions in your applications and services. Inspired by Google’s consistent, global authorization system, Google Zanzibar
United States
Unified APIs and SDKs enable Single Sign-On, Directory Sync, passwordless and multi-factor authentication, audit logs, user management, user provisioning, webhook event handling, and admin portal setup for integration with major identity providers and SaaS platforms.
United States
Auth.js is a runtime agnostic library based on standard Web APIs that integrates deeply with multiple modern JavaScript frameworks to provide an authentication experience that’s simple to get started with, easy to extend, and always private and secure!
PropelAuth is the complete solution for multi-tenant authentication and authorization. Invite flows, organization management, RBAC, advanced security features, SAML, SCIM and more.
Identity solution supporting passwordless, biometrics, social logins, enterprise SSO, and multi-factor authentication. Offers customizable flows, admin portal, audit logging, brute-force protection, compliance, APIs, SDKs, cloud and self-hosted options for web and mobile.
United Kingdom
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.
Netherlands
EU
EU-hosted managed identity platform. OAuth 2.0, OpenID Connect, SAML. White-labeling, multi-tenancy, passkeys. Frankfurt datacenter. Free tier included.
GermanyEU
Corbado is the passkey intelligence platform for enterprise CIAM teams. See why passkey adoption is flat, what's breaking logins, and how to scale passkeys to millions.
GermanyEU
Tesseral is the only open source auth provider focused exclusively on serving B2B SaaS. With just a few simple lines of code, any developer can launch an elegant login page with support for common authentication factors like passwords, magic links, and social login (e.g.
United States
