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OCamlPureScript
Free

Free and open source.

 Free

Free and open source under the MIT licence.

Windows, macOS, Linux, Command line Windows, macOS, Linux, Command line
  • Strong type system that catches errors early
  • Native compiler plus interactive toplevel
  • Expressive type system with row polymorphism and type classes
  • Compiles to readable JavaScript with easy interop
  • Smaller library ecosystem than mainstream languages
  • Functional style takes time to learn
  • Smaller ecosystem than mainstream JavaScript or TypeScript
  • Functional style has a learning curve for newcomers
Downloadable app Downloadable app
Open source Open source
License: LGPL-2.1 License: MIT
No account needed No account needed
Works offline Works offline

Checked September 24, 2026

Checked October 2, 2026

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