Windmill
Open-source platform for scripts, flows, and internal tools.
Key features
- Scripts in 20+ languages become API endpoints and forms
- Workflows as diagrams or Python/TypeScript, with retries and approvals
- Run DuckDB, Python, or imported dbt projects as pipelines
- React or Svelte apps call your scripts and workflows
- Self-host with Docker or Kubernetes, in cloud or on-prem
- Category
- Automation
- Who it's for
- Teams and engineers who build and run internal software.
- Tags
- workflowopen-sourceworkflow-automationbackground-jobshostingcontainersfrontend-frameworkjavascriptpythonwhiteboardself-hosted
- Website
- windmill.dev
- Listed
- 2026-09-15
Frequently asked questions
Is Windmill free?
Windmill has a free plan, with paid tiers for more usage or features.
What is Windmill used for?
Open-source platform for scripts, flows, and internal tools. Typical uses: scripts in 20+ languages become API endpoints and forms; workflows as diagrams or Python/TypeScript, with retries and approvals; run DuckDB, Python, or imported dbt projects as pipelines.
What are the best Windmill alternatives?
Alternatives in the same category include n8n, Activepieces, Temporal, Make, Trigger.dev.
Related in Automation
See all →- Activepieces Open-source automation, similar in shape to Zapier.
- n8n Open-source workflow automation you can self-host.
- IFTTT Simple applets that connect consumer and developer services.
- Make Visual automation platform, formerly Integromat.
- Pipedream Workflow automation with code steps.
- Temporal Durable execution engine for long-running workflows.