Userfront makes it easy to add authentication, access control, SSO, and multi-tenancy to any web application.
Cost / License
- Subscription
- Proprietary
Platforms
- Online
- Software as a Service (SaaS)



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 authentik, which is both free and Open Source. Other great apps like Keycloak are AuthKit, ZITADEL , Authelia and Hanko.
Userfront makes it easy to add authentication, access control, SSO, and multi-tenancy to any web application.



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.

SuperTokens is an open source user authentication solution. Using SuperTokens, developers can add secure, hassle free auth to their mobile application or website in less than a day. It is an alternative to Auth0, Firebase Auth and AWS Cognito.




Access & Subscriptions made easy Bring Access and Subscription Management together in one simple, secure solution. Save time, strengthen security, and make your SaaS operations scalable.




OneAll is a technology company offering a set of web-delivered tools and a Unified Social Network API to simplify the integration of 20+ social networks such as Facebook, Twitter, Google, Yahoo! and LinkedIn into business and personal websites.

JustAuthenticateMe offers a simple authentication-as-a-service for your web apps. It uses magic links in emails as a way to verify identity so that neither you nor your users have to worry about passwords.




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.



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

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.


