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%