supertokens-core

The premium Open Source alternative to Auth0

🎯 Best for:Startups and enterprises requiring strict data sovereignty and custom auth flows.
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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%

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