Real-Time Collaboration Tool
Multiplayer editing with conflict-free sync, presence, version history, and offline support.
50K+
Concurrent Users
< 80ms
Sync Latency
0
Data Conflicts
99.99%
Reliability
The Challenge
Concurrent edits from thousands of users without conflicts. Sub-100ms sync. Offline reconciliation.
The Solution
1
CRDT-based conflict resolution for eventual consistency
2
Redis Pub/Sub across 6-node cluster
3
Optimistic UI with server reconciliation
4
Service Worker offline queue with CRDT merge
// Tech Stack
Built With
Next.js
WebSocket
CRDT
MongoDB
Redis Pub/Sub
Service Workers
TypeScript
Docker
// Results
Impact
50K+ concurrent users with sub-80ms latency. Zero conflicts. 99.99% sync reliability.
// More