rxdb

The premium Open Source alternative to Firebase Realtime Database

🎯 Best for:Developers building complex, offline-ready web applications.

What is rxdb?

Replaces Firebase for offline-capable web and mobile applications. Provides real-time synchronization and observable queries for building reactive, high-performance user interfaces.

Tech Stack
TypeScriptDatabase & Storage

Why rxdb?

  • Real-time UI updates
  • End-to-end encryption
  • Flexible storage backends

Limitations

  • Complex sync configuration
  • Large bundle size
  • Premium plugins required for some features
3/6/2026
Last Update
1,149
Forks
13
Issues
Apache-2.0
License
Financial Leak Detected

Stop the "SaaS Tax"

Your team could be burning cash. Switching to rxdb instantly boosts your runway.

Competitor Cost
-$1,440
/ year (est. based on Firebase Realtime Database)
Self-Hosted
$0
/ year
Team Size10 Users
150+
SAVE 100%

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