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Windmill

Open source developer platform for scripts, workflows, and UIs

Open SourceFree TierFeaturedAdded Jun 1, 2022

About

Windmill turns scripts (Python, TypeScript, Go, Bash, SQL) into production-ready workflows, internal tools, and APIs. Write a function, Windmill auto-generates a UI, handles scheduling, retries, approval flows, and logging. Think Retool + Temporal + Airflow combined into one open-source platform. Self-hostable.

Tags

scriptsworkflowsinternal-toolsopen-sourceself-hostedpythontypescriptautomation

Origin Story

By Ruben Fiszel

The Problem

Developers write scripts for internal tasks but deploying them as reliable, scheduled workflows required Airflow or custom infrastructure.

Building It

Launched as open source. Growing among developer teams who want to operationalize their scripts without complex infrastructure.

What It Means

Any script can become a production workflow — with a UI, scheduling, retries, and approval flows.

The Dream

To be the universal platform for turning code into operational tools.

Pricing

ModelOpen Source
Starting at$10/mo
Free tierAvailable

Free and open source for self-hosting. Cloud Team plan at $10/user/month. Enterprise available.

View pricing

Category

Developer Tools

Problems Solved

  • Turning Scripts Into Production Tools
  • Workflow Orchestration
  • Internal Tool From Code

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