Rust
Windmill
Turn scripts into workflows and UIs
by windmill-labs · AGPL-3.0
Low-code AI builderWorkflow platformAGPL-3.0Runs locallyRustIntermediate
From the README
Install
cargo install sqlx-cli env DATABASE_URL=<YOUR_DATABASE_URL> sqlx migrate run
- Windmill - Developer platform for APIs, background jobs, workflows and UIs
- Main Concepts
- Show me some actual script code
Excerpts from the project README on GitHub. Copyright and licensing remain with the respective authors.
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🐳 Docker pulls
📦 PyPI downloads / month
📦 npm downloads / month
🚀 Latest release ·
What is Windmill?
Windmill turns Python, TypeScript or SQL scripts into workflows, schedules and internal apps, with AI steps as first-class citizens.
Why people choose Windmill
- Scripts first, UI generated for you
- Very fast execution engine
- Self-hosted, no vendor lock-in
Windmill at a glance
| Category | Low-code AI builder |
| Type | Workflow platform |
| License | AGPL-3.0 |
| Runs locally | Yes |
| Built with | Rust |
| Skill level | Intermediate |
| Best for | developer-first internal tooling |
Latest releases
Open-source alternatives to Windmill
Other open-source low-code ai builder tools worth comparing:
DifyBuild and operate AI apps visually
FlowiseDrag-and-drop LLM flows
LangflowVisual builder for agents and RAG
n8nAutomate workflows with AI nodes
ActivepiecesOpen-source Zapier with AI pieces
KestraDeclarative orchestration with AI stepsWindmill head-to-head
Windmill vs DifyWindmill vs FlowiseWindmill vs LangflowWindmill vs n8nWindmill vs ActivepiecesWindmill vs Kestra
FAQ
Is Windmill free?
Windmill is free and open-source (AGPL-3.0 license), so you can use, self-host and modify it at no cost.
Can I run Windmill locally?
Yes. Windmill is designed to run on your own machine or server, keeping your data private.
What is the best alternative to Windmill?
Popular open-source alternatives include Dify, Flowise, Langflow. See the comparisons above to choose.
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