Grist
Windmill
| Feature | Grist | Windmill |
|---|---|---|
| Pricing | Free / from $10/mo | Free / from $10/mo |
| Free Plan | ✓ Yes | ✓ Yes |
| Rating | 4.3 / 5 | 4.4 / 5 |
| Best For | developers, data-teams, non-profits, open-source-advocates | developers, devops-teams, internal-tools, data-pipelines |
| Founded | 2019 | 2022 |
| Relational Data | ✓ | ✗ |
| Python Formulas | ✓ | ✗ |
| Custom Widgets | ✓ | ✗ |
| Access Rules | ✓ | ✗ |
| Incremental Imports | ✓ | ✗ |
| Api | ✓ | ✗ |
| Workflow Editor | ✗ | ✓ |
| Script To Ui | ✗ | ✓ |
| Scheduling | ✗ | ✓ |
| Approval Flows | ✗ | ✓ |
| Multi Language | ✗ | ✓ |
| Self Hostable | ✗ | ✓ |
| Audit Logs | ✗ | ✓ |
✓ Grist Pros
- Fully open-source (Apache 2.0)
- Python formulas instead of spreadsheet formulas
- Self-hostable
- Strong access control and permissions
✗ Grist Cons
- Fewer integrations than Airtable
- Smaller template library
- Less intuitive for non-technical users
✓ 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
Grist is built for developers and data teams, with a focus on relational-data and python-formulas. Windmill targets developers and devops teams and leads with workflow-editor and script-to-ui.
Both tools come in at similar price points ($10/mo for Grist, $10/mo for Windmill), so pricing won't make the decision for you.
Both offer free plans, so you can test each with your real workflow before committing to a subscription.
Feature-wise, Windmill offers broader built-in capabilities (7 features vs 6), while Grist takes a more focused approach — which can mean a simpler, faster onboarding experience.
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.