head to head · open source
amis vs Windmill
amis has 18,895 GitHub stars, 2,736 forks, 1,715 open issues and last shipped 6 months ago. Windmill has 17,957 stars, 1,096 forks, 852 open issues and last shipped yesterday. amis leads on adoption by 5% (18,895 vs 17,957 stars). amis is written in TypeScript under Apache-2.0; Windmill is written in Rust under a custom or non-standard licence. amis has attracted 14% as many forks as stars, Windmill 6%. Windmill was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (low-code), 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
| amis | Windmill | |
|---|---|---|
| GitHub stars | ★ 19K | ★ 18K |
| License | Apache-2.0 | Custom / other |
| Written in | TypeScript | Rust |
| Last push | 2026-03-18 | 2026-09-17 |
| Forks | ⑂ 2.7K | ⑂ 1.1K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick amis if
- You weight community size — 19K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick Windmill if
- You want the Windmill feature set and don't need the biggest community
- You prefer the Custom / other license terms
- Your stack matches Rust
- You evaluated both and Windmill fits your workflow better
About amis
amis is an Apache 2.0 licensed front end low code framework from Baidu that generates admin and back office pages from JSON configuration, aimed at teams that want such interfaces without writing front end code by hand.
About Windmill
Windmill is an open source developer platform for internal code, including APIs, background jobs, workflows, and UIs. It lives in the self hostable low code automation ecosystem and supports Python, TypeScript, Go, Bash, SQL, GraphQL, PowerShell, Rust, and more. The project is positioned as an open source alternative to Zapier and, in the README, to Retool, Pipedream, Superblocks, and a simplified Temporal.
read the full Windmill overview →
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Frequently asked questions
Is amis or Windmill more popular?
amis has 18,895 GitHub stars and Windmill has 17,957. amis has the larger community by that measure.
Are amis and Windmill free?
Both are open source. amis is licensed under Apache-2.0, and Windmill has no licence declared in this registry. Both are free to self-host.
What is the difference between amis and Windmill?
amis is written in TypeScript and Windmill in Rust. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, amis or Windmill?
Choose amis if you want the larger community (18,895 stars) or its Apache-2.0 licence terms. Choose Windmill if its feature set, stack or Custom / other licence fits better. Both are self-hostable.