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Stack Auth

Stack Auth provides an open-source suite of tools for authentication and user management. It is a developer-friendly alternative to Auth0 and Clerk, enabling rapid integration and secure user experiences.

Stack Auth is the open source alternative to:
Stack Auth screenshot

About Stack Auth

Stack Auth delivers a comprehensive authentication solution that includes password, SSO, 2FA, and third-party OAuth integrations. Designed with robust APIs and pre-built UI components, it simplifies team management, permission settings, and JWT handling. With seamless Next.js integration and a headless SDK option, developers can quickly build and customize secure applications.

Key Features

  • Organizations and teams management with email invitations
  • Flexible permissions and RBAC support
  • Third-party OAuth integration without complex token flows
  • Pre-built UI components and headless SDK for custom designs
  • Automated JWT and access token management
  • Webhooks and REST API for easy synchronization
  • Support for password, SSO, and 2FA

Pricing

Free
Free

Designed for individual developers starting with authentication solutions.

Features:
  • Ideal for individuals
  • Access to core authentication features
Team
$49/Team

Perfect for early startups and small teams looking to scale steadily.

Features:
  • Early startups and small teams
  • Unlimited teams and projects
  • SSO with OIDC/OAuth
  • Standard support
Growth
$299/Growth

Tailored for growing businesses requiring advanced features and premium support.

Features:
  • For growing businesses and teams
  • Unlimited users and projects
  • Enhanced admin capabilities
  • Premium support and additional SAML SSO connections

Summary

Stack Auth accelerates authentication deployment with its robust feature set and flexible integration options. It reduces development overhead while offering a secure, scalable solution for managing user identities and access.

Adrian
Created by
Adrian
Mar 9, 2025Updated1 min read
This content was partially generated using artificial intelligence.

Tool Details

5,285
350
50
Since 2024
about 1 month ago
84%