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Stack Auth

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Open-source authentication and user management for developers, designed for rapid integration and flexibility.

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TL;DR - Stack Auth

  • Open-source authentication and user management suite.
  • Offers features like RBAC, organizations, and 3rd-party OAuth.
  • Provides flexible UI options (headless/headful) and REST APIs for integration.
Pricing: Free plan available
Best for: Growing teams

Pros & Cons

Pros

  • Open-source, offering flexibility and control
  • Quick and easy setup, replacing existing auth solutions in hours
  • Comprehensive feature set for B2B and complex user management
  • Manages JWTs and access tokens automatically
  • Developer-friendly with client/server APIs and UI components

Cons

  • Specific details on self-hosting are not immediately clear from the provided content
  • Limited SAML SSO connections in lower-tier paid plans

Preview

Key Features

Organizations & teams management with email invitationsPermissions & RBAC (Role-Based Access Control)3rd-party OAuth access (e.g., Gmail, OneDrive)Password, SSO, and 2FA authenticationImpersonation for debugging and customer supportHeadless or headful UI components (shadcn/ui integration)Client and server REST APIsAutomatic JWT and access token management

Pricing Plans

Free

Free

Team

$49/mo

  • Custom branding
  • SSO with OIDC/OAuth
  • Priority support

Growth

$299/mo

  • Custom branding
  • SSO with OIDC/OAuth
  • 3 SAML SSO connections (then $99 each)
  • Priority support
  • Premium support

What is Stack Auth?

Editorial review
Stack Auth provides an open-source suite of tools for authentication and user management, enabling developers to integrate robust auth solutions into their applications quickly. It offers a comprehensive set of features including organizations and teams management, role-based access control (RBAC), and third-party OAuth integrations, simplifying complex authentication flows. This platform is ideal for developers and teams looking for a flexible, open-source alternative to proprietary authentication services. It supports various authentication methods like password, SSO, and 2FA, and provides both headless and headful UI options for seamless integration. Stack Auth aims to reduce the development overhead associated with user authentication and authorization, allowing teams to focus on their core product.

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Stack Auth FAQ

What is Stack Auth?

Stack Auth is an open-source suite of tools designed for authentication and user management, helping developers integrate robust auth solutions into their applications quickly and efficiently.

How much does Stack Auth cost?

Stack Auth offers a 'Free' plan for individuals, a 'Team' plan at $49/month, and a 'Growth' plan at $299/month. Higher tiers offer more users, dashboard admins, and SAML SSO connections.

Is Stack Auth free?

Yes, Stack Auth offers a 'Free' plan for individuals, which includes up to 10,000 users, unlimited teams, unlimited projects, and 1 dashboard admin.

Who is Stack Auth for?

Stack Auth is primarily for developers, early startups, small teams, and growing businesses that need a reliable, flexible, and developer-friendly user authentication and authorization solution, especially those looking for an open-source alternative.