head to head · open source
Windmill vs Auto-Company
Windmill has 18,444 GitHub stars, 1,141 forks, 852 open issues and last shipped 2 days ago. Auto-Company has 3,191 stars, 503 forks, 10 open issues and last shipped 9 days ago. Windmill leads on adoption by 478% (18,444 vs 3,191 stars). Windmill is written in Rust under a custom or non-standard licence; Auto-Company is written in Python under MIT. Windmill has attracted 6% as many forks as stars, Auto-Company 16%. Windmill was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (ai-agents, self-hosted), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| Windmill | Auto-Company | |
|---|---|---|
| GitHub stars | ★ 18K | ★ 3.2K |
| License | Custom / other | MIT |
| Written in | Rust | Python |
| Last push | 2026-11-06 | 2026-10-30 |
| Forks | ⑂ 1.1K | ⑂ 503 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Windmill if
- You weight community size — 18K stars and counting
- You want the Custom / other license terms
- Your stack matches Rust
- You value the larger contributor base for long-term maintenance
pick Auto-Company if
- You want the Auto-Company feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Python
- You evaluated both and Auto-Company fits your workflow better
About Windmill
Open source developer platform for internal code: APIs, background jobs, workflows and UIs. Self hostable alternative to Retool, Pipedream, Superblocks and a simplified Temporal with autogenerated UIs and custom UIs to trigger workflows and scripts as internal apps. Scripts are turned into sharable UIs automatically, and can be composed together into flows or used into richer apps built with low code. Supported languages: Python, TypeScript, Go, Bash, SQL, GraphQL, PowerShell, Rust, and more. Try it Website Docs Discord Hub Contributing Windmill Developer platform for APIs, background jobs, workflows and UIs…
read the full Windmill overview →
About Auto-Company
Auto Company A fully autonomous AI company running 24/7 Powered by Agentic Workflows , this project orchestrates 14 Autonomous AI Agents , each modeled after world class experts in their domain. They ideate products, make decisions, write code, deploy, and market without human intervention. Powered by Claude Code (default) and Codex CLI on macOS + Windows/WSL, with a local dashboard on both hosts. Optional Cursor and OpenAI compatible adapters require explicit configuration. See the adapter guide for their capabilities and limits. Dashboard Preview Four real ScopeFence product cycles: 04 is expanded; 03, 02 and…
read the full Auto-Company overview →
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Frequently asked questions
Is Windmill or Auto-Company more popular?
Windmill has 18,444 GitHub stars and Auto-Company has 3,191. Windmill has the larger community by that measure.
Are Windmill and Auto-Company free?
Both are open source. Windmill has no licence declared in this registry, and Auto-Company is licensed under MIT. Both are free to self-host.
What is the difference between Windmill and Auto-Company?
Windmill is written in Rust and Auto-Company in Python. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Windmill or Auto-Company?
Choose Windmill if you want the larger community (18,444 stars) or its Custom / other licence terms. Choose Auto-Company if its feature set, stack or MIT licence fits better. Both are self-hostable.