Penpot
Windmill
| Feature | Penpot | Windmill |
|---|---|---|
| Pricing | Free / from $8/mo | Free / from $10/mo |
| Free Plan | ✓ Yes | ✓ Yes |
| Rating | 4.3 / 5 | 4.4 / 5 |
| Best For | open-source-teams, privacy-focused-designers, developers, educational-institutions | developers, devops-teams, internal-tools, data-pipelines |
| Founded | 2015 | 2022 |
| Vector Editing | ✓ | ✗ |
| Prototyping | ✓ | ✗ |
| Components | ✓ | ✗ |
| Design Tokens | ✓ | ✗ |
| Real Time Collaboration | ✓ | ✗ |
| Css Output | ✓ | ✗ |
| Self Hostable | ✓ | ✓ |
| Workflow Editor | ✗ | ✓ |
| Script To Ui | ✗ | ✓ |
| Scheduling | ✗ | ✓ |
| Approval Flows | ✗ | ✓ |
| Multi Language | ✗ | ✓ |
| Audit Logs | ✗ | ✓ |
✓ Penpot Pros
- Open-source and self-hostable for free
- CSS-based design outputs production-ready code
- Real-time collaboration (Figma-like experience)
- SVG-native (no proprietary formats)
✗ Penpot Cons
- Performance slower than Figma on complex files
- Smaller plugin and community ecosystem
- Missing some advanced design features
✓ 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
Penpot is built for open source teams and privacy focused designers, with a focus on vector-editing and prototyping. Windmill targets developers and devops teams and leads with workflow-editor and script-to-ui.
Pricing is close: Penpot starts at $8/mo versus $10/mo for Windmill — not a deciding factor on its own.
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.