Best js_of_ocaml Alternatives in 2026
Updated
20 apps from code transpilers ranked against js_of_ocaml on the same published basis.
- 1js_of_ocaml vs J2ObjC
- 2js_of_ocaml vs SWC
- 3js_of_ocaml vs Brython
- 4js_of_ocaml vs Skulpt
- 5js_of_ocaml vs Transcrypt
- 6js_of_ocaml vs Babel
- 7js_of_ocaml vs ClojureScript
- 8js_of_ocaml vs Cython
- 9js_of_ocaml vs Google Web Toolkit
- 10js_of_ocaml vs Haxelib
- 11js_of_ocaml vs Kalai
- 12js_of_ocaml vs Kotlin/JS
- 13js_of_ocaml vs Opal
- 14js_of_ocaml vs SourceMeld
- 15js_of_ocaml vs Scala.js
- 16js_of_ocaml vs Sucrase
- 17js_of_ocaml vs Vala
- 18js_of_ocaml vs Dart pub
- 19js_of_ocaml vs CodeTransEngine
- 20js_of_ocaml vs CoffeeScript
js_of_ocaml alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | J2ObjC | 7.8 | Free plan | Free | iOS, Linux, Mac |
| 2 | SWC | 7.8 | Free plan | Free | Android, API, Linux, Mac, Web, Windows |
| 3 | Brython | 7.3 | No | — | Android, iOS, self-hosted, Web |
| 4 | Skulpt | 6.4 | Free plan | Free | Web |
| 5 | Transcrypt | 6.4 | Free plan | Free | Linux, Mac, self-hosted, Web, Windows |
| 6 | Babel | 6.3 | Free plan | Free | API, Linux, Mac, Web, Windows |
| 7 | ClojureScript | 6.3 | Free plan | Free | Linux, Mac, self-hosted, Web, Windows |
| 8 | Cython | 6.3 | Free plan | Free | Linux, Mac, Windows |
| 9 | Google Web Toolkit | 6.3 | Free plan | Free | Browser, Linux, Mac, Web, Windows |
| 10 | Haxelib | 6.3 | Free plan | Free | API, Linux, Mac, Windows |
| 11 | Kalai | 6.3 | Free plan | Free | self-hosted |
| 12 | Kotlin/JS | 6.3 | Free plan | Free | Linux, Mac, Web, Windows |
| 13 | Opal | 6.3 | Free plan | Free | Linux, Mac, Web, Windows |
| 14 | SourceMeld | 6.3 | Free plan | Free | API, self-hosted |
| 15 | Scala.js | 6.2 | Free plan | Free | API, Linux, Mac, Web, Windows |
| 16 | Sucrase | 6.2 | Free plan | Free | API, Linux |
| 17 | Vala | 6.2 | Free plan | Free | Linux, Mac, Windows |
| 18 | Dart pub | 5.9 | No | — | Linux, Mac, Windows |
| 19 | CodeTransEngine | 5.8 | No | — | API, self-hosted |
| 20 | CoffeeScript | 5.8 | No | — | API, Linux, Mac, Web, Windows |
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Questions about js_of_ocaml alternatives
What is the best alternative to js_of_ocaml?
J2ObjC, number 1 in code transpilers with a score of 7.8 out of 10. The others here: SWC, Brython, Skulpt and 16 more.
What is the best free alternative to js_of_ocaml?
J2ObjC is the best-ranked alternative with a free plan. 16 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.