AI architecture diagrams vs open-source digital whiteboard
tldraw is a beautiful open-source whiteboard for freehand drawing and quick sketches. Datadef is purpose-built for data and cloud architecture diagrams with AI generation, 1,200+ service icons, data lineage tracking, and auto-save versioning.
| Feature | Datadef | tldraw |
|---|---|---|
| AI Diagram Generation | ||
| Cloud Service Icons (AWS/GCP/Azure) | 1,200+ | |
| Data Lineage Tracking | ||
| Freehand Drawing | ||
| Self-Hostable | Cloud only | |
| Version History & Auto-Save | Local only | |
| Price | Free + $5/mo Pro | Free (open source) |
tldraw is for any drawing; Datadef is optimized for data architecture with pre-built components for databases, pipelines, and cloud services.
Describe your architecture and Datadef generates a full diagram. tldraw requires you to draw everything manually.
Built-in wiki, data lineage, metadata editors, and team collaboration. tldraw is a canvas — not a documentation system.
AI-powered architecture diagrams with 1,200+ cloud icons, data lineage, and auto-documentation.
Try Datadef Free