supertokens-core
The premium Open Source alternative to Auth0
🎯 Best for:Startups and enterprises requiring strict data sovereignty and custom auth flows.
What is supertokens-core?
Replaces Auth0 and AWS Cognito with a self-hosted, database-agnostic authentication engine. Features session management with rotating refresh tokens to prevent token theft and mitigate XSS attacks.
Tech Stack
JavaBackend & Auth
Why supertokens-core?
- • Prevents session hijacking via token rotation
- • No vendor lock-in for user data
- • Low latency due to local hosting
Limitations
- • Requires managing database infrastructure
- • Java dependency for the core service
- • UI customization requires frontend work
3/6/2026
Last Update
644
Forks
153
Issues
Other
License
Financial Leak Detected
Stop the "SaaS Tax"
Your team could be burning cash. Switching to supertokens-core instantly boosts your runway.
Competitor Cost
-$1,440
/ year (est. based on Auth0)
Self-Hosted
$0
/ year
Team Size10 Users
150+
SAVE 100%