Twenty
Windmill
| Feature | Twenty | Windmill |
|---|---|---|
| Pricing | Free only | Free / from $10/mo |
| Free Plan | ✓ Yes | ✓ Yes |
| Rating | 4.2 / 5 | 4.4 / 5 |
| Best For | startups, developers, privacy-focused-businesses, open-source-enthusiasts | developers, devops-teams, internal-tools, data-pipelines |
| Founded | 2023 | 2022 |
| Contacts Management | ✓ | ✗ |
| Pipeline | ✓ | ✗ |
| Email Integration | ✓ | ✗ |
| Custom Objects | ✓ | ✗ |
| Graphql Api | ✓ | ✗ |
| Calendar Sync | ✓ | ✗ |
| Task Management | ✓ | ✗ |
| Workflow Editor | ✗ | ✓ |
| Script To Ui | ✗ | ✓ |
| Scheduling | ✗ | ✓ |
| Approval Flows | ✗ | ✓ |
| Multi Language | ✗ | ✓ |
| Self Hostable | ✗ | ✓ |
| Audit Logs | ✗ | ✓ |
✓ Twenty Pros
- Completely open-source and free to self-host
- Modern, beautiful UI rivaling paid CRMs
- Flexible data model with custom objects
- GraphQL API for developers
✗ Twenty Cons
- Young project with frequent breaking changes
- Fewer integrations than mature CRMs
- Self-hosting requires technical expertise
✓ 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
Twenty is built for startups and developers, with a focus on contacts-management and pipeline. Windmill targets developers and devops teams and leads with workflow-editor and script-to-ui.
Twenty uses custom enterprise pricing, while Windmill starts at $10/mo — a tangible advantage for teams with a fixed budget.
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.