The compiler for ReScript
Opal is a Ruby to JavaScript source-to-source compiler
Compiler for Clojure that targets JavaScript
F# to JavaScript compiler
Compiler infrastructure and toolchain library for WebAssembly
The compiler for writing next generation JavaScript
Manifold is a Java compiler plugin, features include Metaprogramming
Cybernetically enhanced web apps
Scala.js, the Scala to JavaScript compiler
Python 3.7 to JavaScript compiler
Simple, fast, safe, compiled language for developing software
The Grain compiler toolchain and CLI, home of the modern web staple
Scala 2 compiler and standard library
A free COBOL compiler
Vampirio Code, a great Code Editor and Compiler
Haskell to JavaScript compiler, based on GHC
A Haskell to WebAssembly compiler
A proper subset of Haskell that compiles to JavaScript
A JavaScript checker and optimizer
Python in the Browser
"Perlito" Perl programming language compiler
A simple, safe, JavaScript Filter Expression compiler for end-users
A self-hosting Scheme to WebAssembly compiler
A GHC-based Haskell to JavaScript compiler
Package for the JS version of closure-compiler for use via NPM