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Glyphstream
Real-Time Collaborative Whiteboard with Infinite Canvas
Updated: Feb 15, 2026Created: May 1, 2025
ReactTypeScriptWebGLYjsWebSocketsViteTailwind CSSIndexedDB
What It Does
A high-performance collaborative whiteboard supporting thousands of simultaneous users with real-time synchronization, infinite canvas, and rich drawing tools.
Key Features
- Infinite canvas — Smooth zoom and pan with WebGL rendering
- Real-time collaboration — 1000+ concurrent users via Yjs CRDT
- Rich drawing tools — Pen, shapes, text, sticky notes, connectors
- Version history — Time-travel undo with full state preservation
- Offline support — IndexedDB caching with automatic sync
- Export — SVG, PNG, or PDF output with presentation mode