The Art of Transpilers - From One Programming Language to Another

This page summarizes the projects mentioned and recommended in the original post on

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  • TypeScript

    TypeScript is a superset of JavaScript that compiles to clean JavaScript output.

    TypeScript is a superset of JavaScript that allows explicit type information. TypeScript solves many of JavaScript's biggest woes with dynamic typing. I will not provide examples so I don't go insane.

  • Nim

    Nim is a statically typed compiled systems programming language. It combines successful concepts from mature languages like Python, Ada and Modula. Its design focuses on efficiency, expressiveness, and elegance (in that order of priority).

    Nim can transpile to C, C++, or JavaScript. That would make Nim our lone example of a language whose purpose is to transpile to multiple other languages. For systems programming, use its C support with dependency-free executables. For frontend development, target JavaScript.

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  • coffeescript

    Unfancy JavaScript

    CoffeeScript tries to solve a slightly different problem. Instead of providing a superset that makes your code less prone to bugs, CoffeeScript makes JavaScript prettier.

  • c2rust

    Migrate C code to Rust

    But what if you want to permanently change your codebase? That's the idea behind C2Rust. There's value in updating legacy codebases to safer, more secure languages like Rust. So, if you want to do it, try a transpiler!

NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a more popular project.

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