🎨 DiagramCraft Architecture Designer
Collaborative Architectural Diagram Editor (Excalidraw Clone)
Project Overview
DiagramCraft is a real-time collaborative diagramming tool inspired by Excalidraw. Built with React and Canvas API, it enables teams to create architectural diagrams, flowcharts, and technical illustrations together in real-time using WebRTC and Socket.io.
Key Features
├── Real-time collaborative editing
├── Infinite canvas with zoom and pan
├── Rich drawing tools (shapes, arrows, text, freehand)
├── Layer management and grouping
├── Export to PNG, SVG, JSON
├── Version history and undo/redo
├── Template library (AWS, Azure, GCP icons)
├── Keyboard shortcuts and gesture support
├── Live cursor tracking
└── Shareable diagram links
Technology Stack
├── Frontend: React, TypeScript
├── Canvas: HTML5 Canvas API, Fabric.js
├── Real-time: Socket.io, WebRTC
├── State Management: Zustand, Immer
├── Backend: Node.js, Express
└── Storage: MongoDB, Redis for sessions
Collaboration Features
├── Real-time cursor tracking for all participants
├── Conflict-free collaborative editing (CRDT)
├── Live comments and annotations
├── Presence indicators showing active users
├── Permission-based sharing (view/edit)
└── Activity feed and change notifications
Use Cases
├── Cloud architecture diagrams
├── System design documentation
├── Network topology mapping
├── UML and flowcharts
└── Technical brainstorming sessions