stack-auth
The premium Open Source alternative to Auth0
🎯 Best for:Developers wanting full control over user data.
What is stack-auth?
A self-hosted identity and user management solution designed to replace Auth0 and Clerk. It provides a managed authentication UI, session management, and magic links without vendor lock-in.
Tech Stack
TypeScriptBackend & Auth
Why stack-auth?
- • No monthly active user limits
- • Full database ownership
- • Customizable UI components
Limitations
- • Self-hosting maintenance required
- • Smaller community than Keycloak
- • Fewer enterprise integrations
3/6/2026
Last Update
507
Forks
30
Issues
Other
License
Financial Leak Detected
Stop the "SaaS Tax"
Your team could be burning cash. Switching to stack-auth instantly boosts your runway.
Competitor Cost
-$1,440
/ year (est. based on Auth0)
Self-Hosted
$0
/ year
Team Size10 Users
150+
SAVE 100%