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firebase-auth-lite

The premium Open Source alternative to Firebase SDK

🎯 Best for:Projects where initial load time and bundle size are critical constraints.
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What is firebase-auth-lite?

Replaces the standard heavy Firebase Authentication SDK with a minimal browser implementation. Reduces bundle size significantly by handling REST API calls directly without the full SDK overhead.

Tech Stack
JavaScriptBackend & Auth

Why firebase-auth-lite?

  • • Extremely small footprint
  • • Framework agnostic
  • • Uses official Firebase REST endpoints

Limitations

  • • Manual handling of some edge cases
  • • Not a full SDK replacement (Auth only)
  • • No real-time socket features
12/15/2025
Last Update
19
Forks
31
Issues
MIT
License
Financial Leak Detected

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Competitor Cost
-$1,440
/ year (est. based on Firebase SDK)
Self-Hosted
$0
/ year
Team Size10 Users
150+
Launch Detailed Calculator
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