tldraw vs Eraser
tldraw is open-source collaborative whiteboard with a friendly interface and embeddable SDK, while Eraser is technical diagramming tool for software architecture, system design, and engineering docs. tldraw is open source and can be self-hosted, giving you full control over your data. tldraw is built for developers wanting an embeddable whiteboard canvas, whereas Eraser targets engineering teams creating architecture diagrams and technical documentation.
| Feature | tldraw | Eraser |
|---|---|---|
| Free tier available | ✓ | ✓ |
| Open source | ✓ | — |
| AI generation | — | ✓ |
| Architecture diagrams | — | ✓ |
| Diagram-as-code | — | ✓ |
| Embeddable | ✓ | — |
| Multiplayer | ✓ | — |
| Open Source | ✓ | — |
| SDK | ✓ | — |
| Technical docs | — | ✓ |
Pricing: Both tldraw and Eraser are free, so this decision comes down to features and philosophy rather than budget.
Feature gaps: tldraw offers Embeddable, Multiplayer and Open Source that Eraser lacks. Eraser brings AI generation, Architecture diagrams and Diagram-as-code that tldraw does not have.
Open source: tldraw is open source, meaning you can self-host, audit the code, and avoid vendor lock-in. Eraser is proprietary — you are trusting the vendor with your data and uptime.
Where each tool shines: tldraw's biggest strengths are: open source and transparent. open-source codebase gives you full transparency and community-driven development. Eraser's biggest strengths are: purpose-built for technical and architecture diagrams. diagram-as-code generates visuals from text descriptions.
Watch out for: With tldraw, users commonly note that may lack some advanced features. With Eraser, the main complaint is that narrow focus — not for general brainstorming or design.
choose tldraw if
- Your profile matches its sweet spot: developers wanting an embeddable whiteboard canvas
- You need self-hosting, data sovereignty, or the ability to audit source code
- You specifically need Embeddable and Multiplayer
- You care about open-source codebase gives you full transparency and community-driven development
choose Eraser if
- You need a tool built for engineering teams creating architecture diagrams and technical documentation
- You specifically need AI generation and Architecture diagrams
- You care about diagram-as-code generates visuals from text descriptions
frequently asked
What is the difference between tldraw and Eraser?
tldraw is open-source collaborative whiteboard with a friendly interface and embeddable SDK, while Eraser is technical diagramming tool for software architecture, system design, and engineering docs. tldraw is open source and can be self-hosted, giving you full control over your data. tldraw is built for developers wanting an embeddable whiteboard canvas, whereas Eraser targets engineering teams creating architecture diagrams and technical documentation.
Should I use tldraw or Eraser?
tldraw gives you open source and self-hosting; Eraser is a managed service. Which trade-off works for you?
When should I choose tldraw over Eraser?
Choose tldraw if Your profile matches its sweet spot: developers wanting an embeddable whiteboard canvas; You need self-hosting, data sovereignty, or the ability to audit source code; You specifically need Embeddable and Multiplayer; You care about open-source codebase gives you full transparency and community-driven development.
When should I choose Eraser over tldraw?
Choose Eraser if You need a tool built for engineering teams creating architecture diagrams and technical documentation; You specifically need AI generation and Architecture diagrams; You care about diagram-as-code generates visuals from text descriptions.
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