Haskell vs PureScript: catalog facts
 Haskell |  PureScript |
|---|
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Free Free and open source. |
Free Free and open source under the MIT licence. |
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Windows, Command line |
Windows, macOS, Linux, Command line |
- Strong static type system catches errors early
- Pure functions and immutability make code easier to reason about
|
- Expressive type system with row polymorphism and type classes
- Compiles to readable JavaScript with easy interop
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- Steep learning curve for programmers used to imperative languages
- Lazy evaluation can make performance harder to predict
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- Smaller ecosystem than mainstream JavaScript or TypeScript
- Functional style has a learning curve for newcomers
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Downloadable app |
Downloadable app |
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Open source |
Open source |
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License: BSD-3-Clause |
License: MIT |
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No account needed |
No account needed |
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Works offline |
Works offline |
Checked October 2, 2026 | Checked October 2, 2026 |
Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.
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