Stack Auth

FREEMIUM

Open-source authentication and user management platform

► Developers building secure applications with integrated user management.

VG SCORE

6.5

VIEW ALTERNATIVES

Product Details

PricingFreemium

Free Trial✅ 30 days

API✅ REST + GraphQL

Learning CurveModerate

Integrations9 available

■ INTELLIGENCE BRIEFING — Weekly tool drops. No spam.

PROS & CONS

STRENGTHS

Full control and data ownership due to self-hosted, open-source nature.
Significant time savings with pre-built, secure authentication flows.
Significantly reduces development time for auth systems with production-ready components.

WEAKNESSES

−As a newer platform, it has less community traction and fewer real-world deployment examples than established giants like Auth0 or Supabase Auth.
−Less turnkey than fully managed SaaS alternatives, requiring more setup.

KEY FEATURES

Pre-built UI Components

Drop-in React, Vue, and JS components for login, registration, and account management.

Open-Source Core

Self-host the core authentication platform with full control over code and data.

Social & Email Logins

Supports OAuth providers and email/password authentication.

Multi-Factor Authentication

Built-in support for TOTP, email magic links, and social login providers.

WHO IS Stack Auth BEST FOR?

Startups and small dev teams

Best for quickly adding secure, customizable authentication to their applications without building from scratch, leveraging its open-source nature and freemium model.