Windmill

Open-source developer platform turning scripts into workflows and internal apps.

EstablishedOpen SourceLow lock-in

Pricing

Free tier

Usage-based

Adoption

Stable

License

Open Source

Data freshness

Unverified

Overview

What is Windmill?

Windmill is an open-source platform to build workflows, internal tools, and cron jobs from scripts (TS/Python/Go/Bash), self-hostable with a fast execution engine.

Key differentiator

Open-source platform turning scripts into workflows, crons, and internal apps.

Capability profile

Capability Radar

Ease of StartEcosystemValueMaturityFlexibilityScale Ready

Honest assessment

Strengths & Weaknesses

↑ Strengths

Scripts → workflows + UIshigh

Turn TS/Python/Go scripts into flows and internal apps

Open source and fastmedium

Self-hostable with a performant engine

Flexible (jobs, crons, apps)medium

One platform for several needs

↓ Weaknesses

Self-hosting opsmedium

You run it for full control

Broad scope to learnlow

Many capabilities in one tool

Fit analysis

Who is it for?

✓ Best for

Script-based workflows and internal tools

Turn code into flows and UIs

Self-hosted automation platform

Own your execution engine

Cost structure

Pricing

Free Tier

Available

Self-hosted free; cloud has paid plans

Starts at

$0 self-hosted

Model

Usage-based

Enterprise

Available

Performance benchmarks

How Fast Is It?

Ecosystem

Relationships

Alternatives

Next step

Get Started with Windmill

Step-by-step setup guide with code examples and common gotchas.

View Setup Guide →