gun
The premium Open Source alternative to Firebase
🎯 Best for:Teams building decentralized, collaborative applications that must function without a constant internet connection.
What is gun?
Replaces centralized data synchronization services with a peer-to-peer graph database protocol for resilient applications. It features native offline-first capabilities and end-to-end encryption without requiring a central authority.
Tech Stack
JavaScriptBackend & Auth
Why gun?
- • No single point of failure
- • Automatic conflict resolution
- • Extremely lightweight footprint
Limitations
- • Eventual consistency model
- • Complex debugging in P2P networks
- • Documentation can be fragmented
3/5/2026
Last Update
1,228
Forks
313
Issues
Other
License
Financial Leak Detected
Stop the "SaaS Tax"
Your team could be burning cash. Switching to gun instantly boosts your runway.
Competitor Cost
-$1,440
/ year (est. based on Firebase)
Self-Hosted
$0
/ year
Team Size10 Users
150+
SAVE 100%