Best SWC Alternatives in 2026
Updated
20 apps from code transpilers ranked against SWC on the same published basis.
- 2SWC vs Transcrypt
- 3SWC vs Babel
- 4SWC vs ClojureScript
- 5SWC vs Google Web Toolkit
- 6SWC vs Kotlin/JS
- 7SWC vs Scala.js
- 8SWC vs Cython
- 9SWC vs Vala
- 10SWC vs CoffeeScript
- 11SWC vs Dart pub
- 12SWC vs Fable
- 13SWC vs Haxelib
- 14SWC vs Mitosis
- 15SWC vs ReScript
- 16SWC vs J2ObjC
- 17SWC vs PureScript Registry
- 18SWC vs Brython
- 19SWC vs js_of_ocaml
- 20SWC vs JSweet
- 21SWC vs Opal
SWC alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 2 | Transcrypt | 6.7 | Free plan | Free | Linux, Mac, self-hosted, Web, Windows |
| 3 | Babel | 6.6 | Free plan | Free | API, Linux, Mac, Web, Windows |
| 4 | ClojureScript | 6.6 | Free plan | Free | Linux, Mac, self-hosted, Web, Windows |
| 5 | Google Web Toolkit | 6.6 | Free plan | Free | Browser, Linux, Mac, Web, Windows |
| 6 | Kotlin/JS | 6.6 | Free plan | Free | Linux, Mac, Web, Windows |
| 7 | Scala.js | 6.6 | Free plan | Free | API, Linux, Mac, Web, Windows |
| 8 | Cython | 6.5 | Free plan | Free | Linux, Mac, Windows |
| 9 | Vala | 6.5 | Free plan | Free | Linux, Mac, Windows |
| 10 | CoffeeScript | 5.7 | No | — | API, Linux, Mac, Web, Windows |
| 11 | Dart pub | 5.6 | No | — | Linux, Mac, Windows |
| 12 | Fable | 5.4 | No | — | Web |
| 13 | Haxelib | 5.4 | No | — | Linux, Mac, Windows |
| 14 | Mitosis | 5.4 | No | — | API, Web |
| 15 | ReScript | 5.4 | No | — | Web |
| 16 | J2ObjC | 5.3 | No | — | Mac, Linux |
| 17 | PureScript Registry | 5.3 | No | — | API, Web |
| 18 | Brython | 5.2 | No | — | Web |
| 19 | js_of_ocaml | 5.2 | No | — | Web |
| 20 | JSweet | 5.2 | No | — | Web |
| 21 | Opal | 5.2 | No | — | Web |
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Questions about SWC alternatives
What is the best alternative to SWC?
Transcrypt, number 2 in code transpilers with a score of 6.7 out of 10. The others here: Babel, ClojureScript, Google Web Toolkit and 16 more.
What is the best free alternative to SWC?
Transcrypt 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 free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation.