Windmill
Open source developer platform for scripts and workflows
About Windmill
Windmill is an open source platform that turns scripts into auto-generated UIs, APIs, and workflows. Developers write Python, TypeScript, or Go scripts and Windmill automatically creates web UIs, schedules, and API endpoints — enabling teams to build internal tools in minutes without frontend expertise.
Pitch deck breakdown
How Windmill would pitch themselves.
Target customer
Scripts and workflows — the core audience Windmill's product is built around.
Problem they solve
Windmill is an open source platform that turns scripts into auto-generated UIs, APIs, and workflows. Developers write Python, TypeScript, or Go scripts and Windmill automatically creates web UIs, schedules, and API endp… The category has historically been served by tools that miss the modern workflow this product is built around.
Key differentiator
Windmill differentiates on open source developer platform for scripts and workflows. Backed by Y Combinator, $5M raised — the company has resources + validation to compound this thesis. Founded by Ruben Fiszel.
Go-to-market strategy
Early-stage GTM — typically product-led growth (free tier or low-friction onboarding) paired with founder-led sales for the first 100 customers. Heavy content marketing + community presence on Twitter/X, LinkedIn, and category-specific Slack groups.
Windmill website preview
Company facts
- Category
- Dev Tools
- Funding stage
- Seed
- Total raised
- $5M
- Founded
- 2022
- Team size
- 1–10
- HQ
- San Francisco
- Country
- USA
- Website
- windmill.dev
Founders of Windmill
- Ruben Fiszel
Investors backing Windmill
- Y Combinator
Frequently asked questions
What does Windmill do?
Windmill is an open source platform that turns scripts into auto-generated UIs, APIs, and workflows. Developers write Python, TypeScript, or Go scripts and Windmill automatically creates web UIs, schedules, and API endpoints — enabling teams to build internal tools in minutes without frontend expertise.
Where is Windmill based?
Windmill is based in San Francisco, USA.
When was Windmill founded?
Windmill was founded in 2022.
How much has Windmill raised?
Windmill has raised $5M in their Seed round.
Who founded Windmill?
Windmill was founded by Ruben Fiszel.
Who has invested in Windmill?
Windmill is backed by Y Combinator.