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Open Source Identity & Access Management (IAM) Tools using CSS

A curated collection of the best open source tools for managing user identities, authentication, and access control. using CSS.

Better Auth

Framework-agnostic authentication for TypeScript applications

Stars
28,538
Forks
2,581
Last commit
3 hours 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

Authgear

Managed identity and access management for any app

Stars
1,803
Forks
114
Last commit
4 days ago

Authgear is a managed IAM platform handling authentication, SSO, and user management for B2C and B2B apps, with biometrics, MFA, and zero-trust support.

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