MLton is an open-source whole-program optimizing compiler for the Standard ML programming language.
Best SML/NJ Alternatives ranked by AI · updated May 2025
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Standard ML of New Jersey (SML/NJ) is a compiler for the Standard ML '97 programming language.
Price: Free
Top 3 SML/NJ alternatives
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Poly/ML is a compiler for the Standard ML programming language.
Pros
- Good error messages
- Works well with large codebases
Cons
- Less mature ecosystem compared to MLton
- Limited documentation
Moscow ML is a lightweight implementation of Standard ML.
Pros
- Easy to get started with
- Suitable for educational purposes
Cons
- Limited optimization capabilities
- Less actively maintained
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