tldraw
Windmill
| Feature | tldraw | Windmill |
|---|---|---|
| Pricing | Free / from $0/mo | Free / from $10/mo |
| Free Plan | ✓ Yes | ✓ Yes |
| Rating | 4.5 / 5 | 4.4 / 5 |
| Best For | developers, quick-sketches, embedded-canvas-apps, open-source-projects | developers, devops-teams, internal-tools, data-pipelines |
| Founded | 2021 | 2022 |
| Infinite Canvas | ✓ | ✗ |
| Drawing Tools | ✓ | ✗ |
| Real Time Collaboration | ✓ | ✗ |
| Embeddable Sdk | ✓ | ✗ |
| Export | ✓ | ✗ |
| Ai Features | ✓ | ✗ |
| Multiplayer | ✓ | ✗ |
| Workflow Editor | ✗ | ✓ |
| Script To Ui | ✗ | ✓ |
| Scheduling | ✗ | ✓ |
| Approval Flows | ✗ | ✓ |
| Multi Language | ✗ | ✓ |
| Self Hostable | ✗ | ✓ |
| Audit Logs | ✗ | ✓ |
✓ tldraw Pros
- Completely free and open-source
- Incredibly fast and responsive canvas
- Embeddable SDK for building custom apps
- AI-powered features (make real, draw-to-code)
✗ tldraw Cons
- Fewer built-in shapes than enterprise whiteboards
- No built-in templates or frameworks
- Collaboration requires self-hosting or tldraw.com
✓ Windmill Pros
- Open-source and self-hostable
- Supports Python, TypeScript, Go, Bash, SQL natively
- Auto-generates UI from script parameters
- Excellent scheduling and workflow orchestration
✗ Windmill Cons
- Smaller community than Zapier/n8n
- Self-hosting requires infrastructure knowledge
- Less polished documentation for beginners
The Verdict
tldraw is built for developers and quick sketches, with a focus on infinite-canvas and drawing-tools. Windmill targets developers and devops teams and leads with workflow-editor and script-to-ui.
On pricing, tldraw is the clear winner for budget-conscious users — starting at $0/mo compared to $10/mo for Windmill. That $10/mo difference adds up quickly for growing teams.
Both offer free plans, so you can test each with your real workflow before committing to a subscription.
Both tools are a solid fit for developers — in those cases, the decision often comes down to workflow style and how your team prefers to organize work.
This is a genuinely close comparison. If you can, sign up for both free trials (where available) and run a one-week test with your actual team tasks before deciding.