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Open Source Authentication & SSO Providers using Radix UI

A curated collection of the best open source platforms providing authentication, Single Sign-On (SSO), and user management. using Radix UI.

Better Auth

Framework-agnostic authentication for TypeScript applications

Stars
28,956
Forks
2,661
Last commit
1 day ago

A comprehensive authentication framework offering email/password, social sign-on, two-factor auth, and multi-tenant support with full TypeScript integration.

Open Source Alternative to:

Clerk

Stack Auth

Open-source authentication and user management platform

Stars
6,819
Forks
521
Last commit
5 hours ago

Stack Auth provides secure authentication, authorization, and user management for developers in just 5 minutes.

Open Source Alternative to:

Clerk

Tesseral

Enterprise-ready B2B auth and user management in minutes

Stars
1,137
Forks
51
Last commit
5 months ago

Complete B2B authentication solution with SSO, role management, API security, and pre-built UI components. Ship enterprise-grade auth in just a few lines of code.

Open Source Alternative to:

Clerk

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit