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Open Source Authentication & SSO Providers using pnpm

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

Keycloak

Secure authentication and access control made simple

  • Stars

    37,497

  • Last commit

    18 hours ago

  • License

    Apache-2.0
Comprehensive open source identity management solution offering single sign-on, social login, and fine-grained authorization for applications and services.

Open Source Alternative to:

Auth0

Better Auth

Framework-agnostic authentication for TypeScript applications

  • Stars

    30,450

  • Last commit

    3 hours ago

  • License

    MIT
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:

Auth0

Zitadel

Secure, customizable identity infrastructure for developers

  • Stars

    15,421

  • Last commit

    2 days ago

  • License

    AGPL-3.0
ZITADEL provides a comprehensive identity management solution with easy APIs, customizable workflows, and serverless deployment options.

Open Source Alternative to:

Supabase

Logto

Secure, seamless authentication for modern applications

  • Stars

    14,775

  • Last commit

    8 hours ago

  • License

    MPL-2.0
An open-source identity solution offering customizable login experiences, multi-tenant support, and comprehensive user management.

Open Source Alternative to:

Auth0

Pocket ID

Passwordless OIDC provider built for self-hosters

  • Stars

    Stars growing over the last 30 days9,700

  • Last commit

    1 day ago

  • License

    BSD-2-Clause
Self-hostable OpenID Connect and OAuth 2.0 provider that lets users sign in to any OIDC-compatible app using passkeys instead of passwords.

Open Source Alternative to:

Auth0

Hexclave

Modular auth, payments, emails, and analytics for your product

  • Stars

    6,878

  • Last commit

    21 hours ago

  • License

    Unknown
Self-hostable platform combining user auth, payments, email, and analytics into modular building blocks that fit around your existing product.

Open Source Alternative to:

Auth0

Defguard

Zero-Trust VPN with built-in 2FA/MFA and SSO capabilities

  • Stars

    2,882

  • Last commit

    22 hours ago

  • License

    Unknown
Enterprise-grade open source VPN solution combining WireGuard with mandatory 2FA/MFA and integrated OpenID Connect SSO for secure remote access

Open Source Alternative to:

NordVPN
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