Best Cython Alternatives in 2026
Updated
20 apps from code transpilers ranked against Cython on the same published basis.
- 1Cython vs SWC
- 2Cython vs Babel
- 3Cython vs Kotlin/JS
- 5Cython vs Google Web Toolkit
- 6Cython vs ClojureScript
- 7Cython vs Transcrypt
- 8Cython vs TeaVM
- 9Cython vs Fable
- 10Cython vs CoffeeScript
- 11Cython vs Scala.js
- 12Cython vs Vala
- 13Cython vs ReScript
- 14Cython vs Mitosis
- 15Cython vs JSweet
- 16Cython vs Sucrase
- 17Cython vs Opal
- 18Cython vs Brython
- 19Cython vs Skulpt
- 20Cython vs J2ObjC
- 21Cython vs js_of_ocaml
Cython alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | SWC | 9.6 | Free plan | Free | Android, API, Linux, Mac, Web, Windows |
| 2 | Babel | 8.2 | Free plan | Free | API, Linux, Mac, Web, Windows |
| 3 | Kotlin/JS | 8.0 | Free plan | Free | Linux, Mac, Web, Windows |
| 5 | Google Web Toolkit | 7.8 | Free plan | Free | Browser, Linux, Mac, Web, Windows |
| 6 | ClojureScript | 7.6 | Free plan | Free | Linux, Mac, self-hosted, Web, Windows |
| 7 | Transcrypt | 7.3 | Free plan | Free | Linux, Mac, self-hosted, Web, Windows |
| 8 | TeaVM | 6.8 | No | — | — |
| 9 | Fable | 6.8 | No | — | Web |
| 10 | CoffeeScript | 6.6 | No | — | API, Linux, Mac, Web, Windows |
| 11 | Scala.js | 6.5 | Free plan | Free | API, Linux, Mac, Web, Windows |
| 12 | Vala | 6.5 | Free plan | Free | Linux, Mac, Windows |
| 13 | ReScript | 6.4 | No | — | Web |
| 14 | Mitosis | 6.3 | No | — | API, Web |
| 15 | JSweet | 6.2 | No | — | Web |
| 16 | Sucrase | 6.0 | No | — | — |
| 17 | Opal | 5.9 | No | — | Web |
| 18 | Brython | 5.8 | No | — | Web |
| 19 | Skulpt | 5.7 | No | — | Web |
| 20 | J2ObjC | 5.7 | No | — | Mac, Linux |
| 21 | js_of_ocaml | 5.6 | No | — | Web |
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Questions about Cython alternatives
What is the best alternative to Cython?
SWC, number 1 in code transpilers with a score of 9.6 out of 10. The others here: Babel, Kotlin/JS, Google Web Toolkit and 16 more.
What is the best free alternative to Cython?
SWC is the best-ranked alternative with a free plan. 8 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked mobile-first: a phone app alongside the web or desktop product, a free tier and the depth of its documentation.