Windmill
Fast workflow engine and internal tool builder that turns scripts into UIs and automations.
- Automation & Workflows
- Rust
- Docker
- Actively maintained
GitHub stats
- GitHub stars
- 18,108
- Forks
- 1,112
- Open issues
- 575
- Commits, last 12 months
- 4,452
- Last commit
- Oct 6, 2026
- Latest release
- v1.824.1Oct 5, 2026
- Created
- May 5, 2022
Data from the GitHub API, refreshed daily.
About Windmill
Fast workflow engine and internal tool builder that turns scripts into UIs and automations. Windmill is open source and written mainly in Rust, so you can read the code, run it on your own hardware and keep full control of your data.
The project has 18,108 stars and 1,112 forks on GitHub, with 4,452 commits over the last year. It ships a Docker image, which makes it a good fit for a small VPS or a home server running Docker Compose.
Topics
- low-code
- open-source
- platform
- python
- typescript
- postgresql
- self-hostable
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What is Windmill?
Windmill is a free, open-source app you can host on your own server, listed in our Automation & Workflows category. Fast workflow engine and internal tool builder that turns scripts into UIs and automations. The source code lives at github.com/windmill-labs/windmill, where it has 18,108 stars.
Is Windmill free and open source?
Yes. Windmill is open source and its code is public on GitHub, so you can self-host it at no cost. The repository does not declare a standard license, so read its terms before using it commercially.
Can I run Windmill with Docker?
Yes. Windmill provides a Docker image, so you can run it on any Linux server with Docker and Docker Compose installed. The project README lists the image name and the environment variables to set.
What are the best alternatives to Windmill?
Popular open-source alternatives to Windmill include n8n, Huginn and Apache Airflow. Windmill itself is a self-hosted alternative to Zapier.
Is Windmill actively maintained?
The most recent commit to Windmill was on Oct 6, 2026 with 4,452 commits in the past twelve months. The latest release is v1.824.1, published Oct 5, 2026. Check the open issues on GitHub to gauge how quickly maintainers respond.