List of languages that compile to JavaScript and many other transpilers
Table of contents
CoffeeScript + Family & Friends
Family (share genes with CoffeeScript)
Name
Description
Last commit
Coco
A CoffeeScript dialect that aims to be more radical and practical, also acts as a test bed for features that get imported in CoffeeScript.
2014-09-28
LiveScript
A fork of Coco that is much more compatible with CoffeeScript, more functional, and with more features.
2018-11-11
IcedCoffeeScript
A CoffeeScript dialect that adds support for await
and defer
keywords which simplify async control flow.
2019-11-27
Parsec CoffeeScript
CS based on parser combinators. The project's aim is to add static metaprogramming (i.e. macros + syntax extensibility) to Coffee Script (CS), similar to how Metalua adds such features to Lua. The resulting compiler, once merged with the official compiler, should be usable as a drop-in replacement for it.
2015-11-18
Contracts.coffee
A dialect of CoffeeScript that adds built-in support for contracts.
2014-08-08
Uberscript
A CoffeeScript fork that adds type annotations which are compiled to Google closure compiler type annotation comments.
2013-09-16
ToffeeScript
A dialect of CoffeeScript that support Asynchronous Syntax and Regexp operator =~
2018-04-02
Caffeine
A dialect of CoffeeScript that supports packages and classes import, useful for browser applications
2013-06-03
heap.coffee
A dialect of CoffeeScript that offers a C-like type system with manual memory management
2012-05-13
EmberScript
Ember.js-infused CoffeeScript.
2015-04-02
BlackCoffee
CoffeeScript with hygienic macros. See also #3171
2014-11-28
Friends (philosophically related)
Name
Description
Last commit
NodeScript
JavaScript without the Variable Declarations and Semicolons
2017-11-01
Bizubee
The World's Most Intense Programming Language!
2017-02-08
Kaffeine
Enhanced Syntax for JavaScript.
2012-08-21
Moescript
Indent-based language. The original repository at https://github.com/moescript/moescript is missing. The link is to a surviving fork.
2012-04-14
pogoscript
Language that emphasises readability, handles async control flow nicely, is friendly to domain specific languages and compiles to regular JavaScript
2015-08-11
LispyScript
A JavaScript with Lispy syntax and Macros. ○
2020-01-28
Hot Cocoa Lisp
A Lisp-like language that compiles to JavaScript. ○
2015-03-15
Sibilant
JavaScript with a lisp. ○
2017-12-20
ki
Clojure-like syntax, mori 's immutable data structures in a few sweet.js macros. Can be intermixed with JavaScript. ○
2016-02-06
jisp
A JS-native and axiomatic Lisp that focuses on the core ideas of code-as-data, S-expressions, and macros, introducing as few new concepts as possible. ○
2015-03-20
Ham
Looks very similar to JavaScript at first, but offers (hopefully) many useful features
2013-05-27
GorillaScript
Compile-to-JavaScript language designed to empower the user while attempting to prevent some common errors, offers Macros, optional Typing, and asynchronous syntax.
2013-07-16
RedScript
Ruby-flavored JavaScript.
2018-04-04
Daonode
Functional logic solver, compiler.
2015-11-26
LiteScript
Literate, highly-readable, type annotated, imperative language that compiles to JavaScript.
2018-06-22
ColaScript
Similar to Dart, CoffeeScript, Python and PHP
2015-02-03
Taijilang
A customizable and extensible language with dynamic parser and meta language.
2015-11-27
MoonScript
MoonScript is a dynamic scripting language that compiles into Lua. The syntax of MoonScript has been heavily inspired by the syntax of CoffeeScript.
2020-02-02
Earl Grey
An extensible language with pattern matching, hygienic macros and a syntax similar to Python.
2017-08-14
Khepri
Lightweight language that reworks Javascript's syntax to be better for untyped functional-style programming.
2015-05-16
Spider
Spider is a programming language that compiles to JavaScript (ES5 and ES6 targets). It takes the best ideas of Go, Swift, Python, C# and CoffeeScript.
2017-10-21
CirruScript
Write JavaScript with indentations and polish notations, similar to S-Expression but with fewer parentheses.
2020-01-28
TLC
Tag Line Commands is a inline macro language for calling+formatting javascript/coffeescript/livescript json output into HTML.
2015-07-26
CokeScript
Inspired by Python and Ruby that integrates natively with the Virtual-DOM library
2018-07-05
imba
Full-stack programming language for the Web that compiles to performant JavaScript
2020-02-26
Cor
Straightforward language for the Web
2016-12-11
Iode
A language inspired by Swift
2016-03-28
FutureScript
A more radical, but more readable, different new language.
2018-12-11
PearScript
Shorthanding JavaScript one more time.
2016-01-28
RamdaScript
JavaScript in the Ramda way.
2018-01-23
RoyalScript
A functional language that has loops, types, structs, and much more.
2017-03-23
JavaScript Extensions
Security enforcing JavaScript
Name
Description
Caja
Compiles ES5/strict to ES3 and supports object-capabilities
ADsafe
Client-side static verifier and API, making third party scripts safe.
Jacaranda
Static verifier supporting object-capabilities.
Dojo Secure
Framework for building secure mashups.
Static typing
NOTE: Some of the projects listed below are also statically typed, such as mobl, GWT, JSIL, NS Basic, and Haxe.
Name
Description
Dart
C/Java-like syntax with optional typing by Google.
TypeScript
Typed superset of JavaScript by Microsoft.
TeJaS
From Brown PLT. Types for JavaScript (itself).
asm.js
Subset of JavaScript that can be used as a low-level, efficient target language for compilers. Now included in Firefox.
JavaScript++
JavaScript superset with classes, type checking, among other features
Mascara
[commercial] Enhances JavaScript with powerful features like classes, namespaces and type-checking.
Roy
Tries to meld JavaScript semantics with some features common in static functional languages
Elm
Type-safe functional language that compiles to HTML, CSS, and JavaScript.
Swym
Statically typed, with type inference and generics
Typecast.js
JavaScript platform for statically typed variables without a custom compiler.
PureScript
A small, strongly typed programming language that compiles to JavaScript and C++, featuring extensible records and effects, and type classes.
Flow
Static type checker for JavaScript, supports optional types and null checks by Facebook.
ActionScript
With Apache Royale ASJS (formerly FlexJS) - Based on ECMAScript 4, ActionScript provides typing and can be compiled to JavaScript.
BuckleScript
OCaml compiled to readable JavaScript.
Synchronous to Asynchronous JavaScript Compilers (CPS)
Name
Description
Streamline.js
Uses underscore (_) to stand for callbacks. This fork preserves line numbers for debugging.
mobl
The new language for programming the mobile web.
StratifiedJS
JavaScript + structured concurrency.
NarrativeJS
JavaScript extension with asynchronous futures and promises.
jwacs
JavaScript With Advanced Continuation Support.
Wind.js
Wind.js is an advanced library which enable us to control flow with plain JavaScript for asynchronous programming (and more) without additional pre-compiling steps.
TameJS
Adds new keywords 'await' and 'defer'
Continuation.js
A lightweight JIT compiler for simplifying asynchronous JavaScript programming with no runtime dependences. It supports both Node.js and browser-side JavaScript and is compatible with CoffeeScript (also TypeScript, and any other scripts compile to js).
Kal
Makes asynchronous programming easy and clean by allowing functions to pause and wait for I/O, replacing an awkward callback syntax with a clean, simple syntax
JSPipe
Provides JavaScript primitives to write async code without callbacks or chained functions. Inspired by Goroutines and Channels found in Go and in Clojure. For Web and NodeJS. ES5 and ES6.
promiseLand
PromiseLand is a very promising Language. It includes ES5 strict mode, uses the * dereferencing operator to access promise results and introduces additional features designed to let you focus on your program logic. Such as dynamic typesafety, frame addressing, generic load and safe features.
JavaScript Language Extensions
Name
Description
ContextJS
An implementation of Context-oriented Programming for JavaScript.
Objective-J
Shares with JavaScript the same relationship that Objective-C has with the C programming language: that of being a strict, but small, superset.
Mochiscript
Object-oriented JavaScript with syntactic sugar. Released as a Ruby gem.
jangaroo
AS3 (ActionScript) to JavaScript.
Flapjax
Event-driven, reactive evaluation.
jLang
Adds object oriented syntax, namespaces, operators overriding
Restrict Mode
TIScript
Gentle extension of JavaScript
Six
Six is a language super-set of JavaScript that enables new syntactic features from the 6th edition of ECMAScript to be used, through a transpiler, in your scripts today.
js--
JavaScript subset for interactive/visual programming .
Latte JS
Superset of JavaScript (eventually ES6), with similar goals to CoffeeScript, but keeping JS syntax.
JSX
A superset to add an XML-like syntax to represent HTML elements in React by Facebook
oj
Objective-C inspired superset of JavaScript with a tiny runtime, built-in obfuscator, and experimental type checker (courtesy of Typescript).
mfjs
Adds arbitrary side effects not already available in JavaScript. They may include but not limited to delimited continuations, asynchronous, logic, reactive, parallel, distributed and probabilistic programming. It doesn't extend syntax so it may be used with any other language compiling to JavaScript.
Ruby
Name
Description
Opal
Ruby to JavaScript compiler.
HotRuby
Runs opcode, compiled by YARV on Ruby inside a web browser or in Flash.
ColdRuby
Compiler of Ruby 1.9 MRI bytecode, and a runtime written in JavaScript to aid in execution of Ruby code.
rb2js
Converts Ruby to JavaScript.
RubyJS
A successor to rb2js
Red
Writes like Ruby and runs like JavaScript
Quby
Used for game coding site, open source .
8ball
Ruby-to-JavaScript source-to-source transformer
Ruby2JS
Minimal yet extensible Ruby to JavaScript conversion.
ruby-parser.js
Original Ruby 2.0 parser ported to pure JavaScript, produces AST
Python
Name
Description
Pyodide
CPython, the reference Python implementation, compiled to WASM. Also includes the Python scientific stack.
PYXC-PJ
[CS friend] Python to JS. Can generate a (line/col)-number mappings file. (Dead. Last updated 8 years ago.)
Pyjamas
Python to JS.
Pyjaco
Python to JavaScript compiler with module support.
Pyjs
Python to (readable) JS.
Skulpt
Python. Client side.
PyCow
Python to MooTools JS.
PyvaScript
Python-like syntax to JavaScript.
RapydScript
JavaScript with a Pythonic syntax.
Bulbul
Python3 to JavaScript/ES6/ES7 compiler. Apparently the only Python-to-JS compiler intended to provide support for AngularJS, React, Aurelia and other modern JS libs.
Brython
Browser Python. Embed Python 3 in <script type="text/python">
PythonScript
Python-like compiled to JavaScript
pythonscript
Python compiled to readable JavaScript using the AST. (proof of concept)
Rusthon
Integrates several python to js methods into one project. Very Active. Not only for JS & Py, but also Go, C, Nim, etc.
PyPyJS
PyPy. Compiled into JavaScript using Emscripten. JIT-compiling to JavaScript at runtime.
Batavia
Run Python bytecode in the browser
Transcrypt
New Python 3.5 to JavaScript transpiler. Supports multiple inheritance, bound function assignment, selective operator overloading, highly readable JS output, sourcemaps, small downloads, fast execution using call memoizing. Integrated with closure compiler / minifier, optional static checker and fabric.js graphics lib for HTML5 canvas.
pseudo-python
A restricted python to javascript/c#/go/ruby compiler
JavaScripthon
Transpile Python3.5 to ES6 and to ES5 (with the help of BabelJS, but w/o the need for nodejs). Supports classes, generators, async functions.
PScript
Python compiled to JavaScript.
Erlang
Name
Description
Shen
First and yet smallest Erlang JavaScript Compiler based on Erlang AST. It allows you to translate Elixir, Joxa, Lol and Erlang programs to JavaScript with erlc. JavaScript/OTP subset . Has node npm package called erlang-shen-js .
LuvvieScript
A browser-based dom-scripting language that is a strict sub-set of Erlang which is AST-to-AST transpiled to JavaScript (code )
browserl
Erlang Emulator written in JavaScript
Elixir
Name
Description
ElixirScript
Converts Elixir AST to JavaScript AST to JavaScript code.
Perl
Name
Description
Perlito
Project to compile Perl 5/6 to JavaScript, Ruby, SBCL, and Go.
p2js
Perl to JavaScript converter
perl.js
Java/JVM
Name
Description
GWT
Google Web Toolkit, compiles Java to JavaScript.
Java2Script/SwingJS
Eclipse Java to JavaScript compiler plugin and JavaScript version of the Java 8 JVM for Java applets and applications, with over 2300+ Java8 OpenJDK classes, including gnu.jpdf, gov.nist.jama, java(applet, awt, beans, io, lang, math, net, nio, security, text, util), javax(imageio, net, print, sound, swing, xml), netscape(javascript), org(apache, json, unicode, xml), sun(applet, audio, awt, net, nio, reflect, security, swing, text, util), along with an extensive library of plaf (Plaform Look and Feel) for HTML5; tested successfully on over 400,000 lines of original working Java code in 2 major (150,000+ line) applications (Jmol and Jalview ) 600+ applets and 1000+ web pages in multiple projects; nearly complete AWT and Swing implementations; actively developed (since 2012); requires minor Java-compatible code adjustment to handle multithreading and modal dialogs; extensive developer documentation and support; beta
j2js
Java bytecode to JavaScript.
Strongly-Typed JavaScript (STJS)
JavaScript code generator from Java source. It is built as a Maven plugin.
BicaJVM
JavaScript implementation of JVM.
Doppio
JVM interpreter on CoffeeScript.
Processing.js
A Java-based visualization language that interprets to JavaScript.
Kotlin
Statically typed programming language targeting the JVM and JavaScript.
Ceylon
A modular static-typed JVM language compilable to JavaScript.
GrooScript
A framework to convert Groovy code to JavaScript.
node-jvm
Java virtual machine in pure node.js
Bck2Brwsr
Run "browserified" Java Code in, well, the browser.
QWT
QWT consists of a Java-to-JavaScript compiler, a prepared library of Qooxdoo componente (version 0.7.x) and some other tools. Similar to GWT
TeaVM
An ahead-of-time transpiler that takes JVM bytecode and produces JavaScript.
Dragome SDK
Compiles JVM bytecode to Javascript.
JSweet
A Java to JavaScript transpiler built on top of TypeScript and giving access to hundreds of JavaScript libraries in Java.
j2cl
Compiles Java to Javascript.
Scala
Name
Description
Scala.js
The official Scala to JavaScript compiler
js-scala
JavaScript as an embedded DSL in Scala
scalagwt
Enhanced GWT (accepts jribble as well as Java) plus Scala to jribble.
JScala
Scala macro that produces JavaScript from Scala code.
C#, F#, .NET related languages
Name
Description
jsc
[experimental] Recompile your .NET assembly to JavaScript, ActionScript, PHP or Java.
JSIL
MSIL (.NET bytecode) to JavaScript
Script#
Compiles C# to JS.
CilJs
Translates CIL/MSIL (.NET bytecode) (C#) to JavaScript
Prefix
Defunct
Blade
Visual Studio add-on for converting C# to JavaScript
SharpKit
C# to JavaScript Cross-Compiler
Saltarelle
C# to JavaScript Compiler. Saltarelle is now part of Bridge.NET .
FunScript
F# to JavaScript compiler with JQuery etc. mappings through a TypeScript type provider
Pit
F# to JavaScript compiler
WebSharper
Lets you compile F# to JS.
NemerleWeb
Nemerle language compiled to JS.
Blue Storm
F# to JavaScript (and some other languages).
JScriptSuite
.NET to JavaScript compiler (cross browser API, client site controls and components).
DotNetWebToolkit
Toolkit providing a .NET CIL to JavaScript transcoder and Visual Studio project/debugging integration
Netjs
.NET to TypeScript and JavaScript compiler. It uses multiple stages to produce JavaScript for your web apps.
WootzJs
C# to Javascript cross-compiler built on top of Microsoft Roslyn, which handles the complex process of converting your C# code into syntax trees with symbol information
DuoCode
C#-to-JavaScript compiler powered by Microsoft Roslyn
Bridge.NET
Open Source C#-to-JavaScript compiler using Microsoft Roslyn . Includes support for jQuery + many other frameworks. Developed and well supported by a professional team. Try online at Deck.NET .
Fable
F# to JavaScript Compiler
Lisp, Scheme
Clojure-like
Name
Description
ClojureScript
Clojure to JS, the official version. Supports the majority of Clojure including persistent datastructures.
ClojureJS
Subset of Clojure to JS.
Chlorinejs
A fork of ClojureJS with a port of clojure.core library.
wisp
A homoiconic JavaScript dialect with Clojure syntax, S-expressions and macros. Aims to be rich subset of Clojure(Script) that seamlessly interops with both Clojure(Script) and JavaScript. ○
Scriptjure
Library for generating JavaScript from Clojure forms.
ki
Clojure-like syntax, mori 's immutable data structures in a few sweet.js macros. Can be intermixed with JavaScript. ○
Scheme-like
Name
Description
BiwaScheme
Scheme(R6RS) in JavaScript
Fargo
Scheme in JavaScript
Moby Scheme
A Scheme running in JS.
nconc
Scheme interpreter in JavaScript with stack-friendly tail calls and full call/cc
Scheje
A Little Scheme on Top of Clojure - compiles on Node.js and the Browser.
scheme2js
Scheme to JavaScript.
Spock
A Scheme to JavaScript compiler that uses Henry Baker's Cheney-on-the-MTA compilation strategy
Whalesong
Racket to JS compiler
RacketScript
Lightweight Racket to JavaScript compiler. The generated code is ES6, which can be translated to ES5 using Babel or Traceur.
urlang
A nanopass compiler accepting Racket-like syntax
Other
Name
Description
eslisp
An S-expression syntax for ECMAScript/JavaScript, with Lisp-like hygienic macros that are just JS functions. Aims to be very close to JS, and highly experimental.
EdgeLisp
A Lisp in the tradition of Common Lisp
Parenscript
Subset of Common Lisp to JS.
Ralph
Lisp-1 dialect that compiles to JavaScript, inspired by Dylan
Oppo
A JavaScripter's lisp. Inspired by JavaScript, Clojure and CoffeeScript. Compiler built using Jison .
LispyScript
A JavaScript with Lispy syntax and Macros. ○
Outlet
A simple Lisp that supports CPS and in-browser stepping debugging, and other things. In development.
Hot Cocoa Lisp
A Lisp-like language that compiles to JavaScript. ○
Sibilant
JavaScript with a lisp. ○
jisp
A JS-native and axiomatic Lisp that focuses on the core ideas of code-as-data, S-expressions, and macros, introducing as few new concepts as possible. ○
JSCL
A Lisp-to-Javascript compiler bootstrapped from Common Lisp
OCaml
Haskell
Name
Description
UHC
(Utrecht Haskell Compiler) backend converts UHC core to JavaScript, allowing the compiling of Haskell code to JS.
ghcjs
Compile normal Haskell into JS
jmacro
Quasi-Quoted JS that you can insert Haskell values into (there is also shakespeare-js for that purpose), but also supports a more Haskellish syntactic version of JavaScript.
lambdascript
Compile a subset of Haskell into JS
YHC
(York Haskell Compiler) backend, as above but with YHC core language.
jshaskell
haste
fay
A proper subset of Haskell that compiles to JavaScript
forml
A contemporary programming language intended to approximate the safety of Haskell and the expressiveness of Ruby.
Smalltalk
Name
Description
Amber
Formerly known as Jtalk
Clamato
A Smalltalk dialect that is designed to operate within the JavaScript runtime.
Silver Smalltalk
[commercial?] Smalltalk in the browser. (Still active?)
Lively Kernel
Smalltalk/squeak-like development environment in the browser. See also Avocado , built on top of it.
Little Smallscript
Little Smalltalk to JavaScript translator.
SqueakJS
Squeak VM in Javascript
PharoJS
PharoJS is a Pharo to JavaScript compiler and infrastructure for remote test and debugging. The goal is to enable developing apps in Pharo while deploying them on top of a JavaScript engine.
C/C++
Name
Description
Emscripten
LLVM to JavaScript compiler. LLVM is "an aggressive open-source compiler for C and C++," as well as other languages.
Cheerp
(formerly Duetto) "compiles C++ applications to binary code and JavaScript. Based and integrated into the LLVM/clang infrastructure"
maja
Vala (gobject) to JavaScript
Clue
C language compiler to different runtimes (Lua, JS, Perl 5, C, Java, CL).
LLJS
Typed dialect of JavaScript that offers a C-like type system with manual memory management
Mandreel
Can convert C++ and Objective-C applications based on OpenGL ES to JavaScript or Action Script 3 web application.
Bonsai-C
Convert C code to asm.js
Basic
Name
Description
NS Basic/App Studio
[commercial] Visual Basic-style BASIC to JavaScript compiler. Includes IDE. Targets iOS and Android
qb.js
An implementation of QBASIC in JavaScript
Spiderbasic
[commercial] SpiderBasic is new web client-side programming language based on established BASIC rules. Its main purpose is to allow development of very complex, windowed based web applications. It provides a large commandset to handle complex and reactive GUI, 2D games, and many more in a coherent manner.
B4J
[free] the BANano library by Alwaysbusy transpiles B4J (Visual Basic like) code to Javascript. Possibility to extend with other javascript libraries/web frameworks by creating BANano b4xlib libraries. Allows development of PWA, Websites, Webapps.
Monkey (see below)
Pascal, Modula, Oberon
Name
Description
Smart Mobile Studio
[commercial] Object Pascal to JavaScript compiler and Delphi like IDE that brings classes, inheritance, interfaces and more to JavaScript
Elevate Web Builder
[commercial] Visual development tool for web applications that compiles standard Object Pascal source code into JavaScript
Oberon 07
Translates Oberon to JavaScript code ready to be run in web browser or nodejs. Compiler itself is written in Oberon (with extensions) and compiled to JavaScript.
Pas2JS
Pas2js is an open source Pascal to JavaScript transpiler. It parses Object Pascal and emits JavaScript. The JavaScript is currently of level ECMAScript 5 and should run in any browser or in Node.js.
Go
Name
Description
Go2js
Line-to-line translator from Go to JavaScript.
GopherJS
A compiler from Go to JavaScript.
TARDISgo
Compile Golang to Haxe (then on to JavaScript, Flash, Java, C++, C#, PHP, Python, Lua, Neko, HashLink)
Multitarget
Name
Description
Haxe
Compiles to several platforms C++, JavaScript, PHP, Java, JVM, C#, Python, Lua, Neko, HashLink (both JIT and C) and Flash/SWF.
Fantom
Evolutionary object-oriented language emphasizing succinct and effective APIs (JVM, CLR, JS).
LZX (Laszlo XML)
LZX is OpenLaszlo's declarative user interface language, which is compiled into JavaScript 2 as an intermediary format, and further compiled into either JavaScript 1.5 or ActionScript 3.
Clue and jsc
Target multiple runtimes in addition to JavaScript
Nim
Compiles to C, C++, Objective-C, and JavaScript
Monkey
A Basic-like programming language that compiles to several platforms (JavaScript, ActionScript 3, C++, Java, C#). The main application/game framework is [commercial].
defrac
Compiles Java bytecode to several platforms (including JavaScript)
Ć Programming Language
Automatically translated to C, C++, C#, Java, JavaScript, Python, Swift and OpenCL.
Skew
A web-first, cross-platform programming language with an optimizing compiler (compiles to JS and C++)
Chicken Scheme
an R5RS & R7RS Scheme that normally compiles to C. The Spock library allows compilation to JavaScript
Tierless languages (produce both client & server)
Name
Description
Fun
A programming language for realtime webapps - compiles to client-side and server-side JS.
Ur
In the tradition of ML and Haskell.
mobl
The new language for programming the mobile web.
E
Compiles E to JS. E is a secure distributed persistent pure object language.
Sugar
New programming language designed to replace JavaScript for client-side (and server-side) web development
Opa
Write your complete application in just one language, and the compiler will transform it into a self-sufficient executable
STIP.js
Slicing Tierless Programs in JavaScript
Visual programming tools
Name
Description
SCION SCXML
Tools for W3C State Chart XML , a state machine language. Tools include an SCXML-to-JS compiler and graphical debugger.
Waterbear
Tool for making Scratch-inspired block-based languages on the web. Examples include blocks for JavaScript, ProcessingJS, NodeJS, and more.
Snap
JavaScript of BYOB, which is a fork of Scratch
ScriptBlocks
Illumination
[Commercial] Visual, cross-platform tool creates apps for Android, iPhone, iPad, Desktops and HTML5 or Flash websites. The I language underlies the tool.
JsMaker
Visual JavaScript programming
Meemoo
Flow-based visual programming framework for hackable web apps
NoFlo
JavaScript implementation of Flow-Based Programming. Programs (network graphs) can be visually created with DrawFBP
Blockly
Web-based, graphical programming language. Users can drag blocks together to build an application
Maeda Block
Visual game programming language powered by enchant.js and Google Blockly. See also the Japanese version .
SQL
Name
Description
sql-parser
sqld3
Alasql
SQL to JavaScript parser and compiler
sql.js
SQLite compiled to javascript
RBQL
SQL-like language that compiles to JavaScript and Python
PHP
Name
Description
phype
Run PHP code directly in your browser
uniter
Run PHP code in Node.js or the browser
php.js
PHP VM with JavaScript, allow to run PHP code in Node.js or the browser
Lua
Prolog
Name
Description
prolog.js
Prolog parser, compiler, and interpreter in JavaScript
Yield Prolog
Compiles Prolog into JavaScript, C#, and Python
Tau Prolog
Prolog interpreter in JavaScript
Others
Name
Description
Z
An experimental language that is basically JavaScript with nicer syntax.
Pyret
A teaching language that runs in the browser.
Oia
A port of Io to JavaScript.
Plaid
A gradually-typed, typestate-oriented language designed as a better Java.
Quixe
A Glulx VM interpreter written in JavaScript
Gnusto
A Z-Machine VM interpreter written in JavaScript
Logo Interpreter
Reb2Static
Rebol to JavaScript
RPN
Interpreter for a language with a Reverse Polish Notation syntax.
jsForth
wForth
Agda
A dependently typed functional programming language and mechanized proof assistant
XLCC
Interpret LCC into JavaScript on node
SMLtoJs
SML to JavaScript compiler
Pygmy
A dynamic language that compiles to JavaScript designed to be readable but concise enough to be competitive in code golf.
ErlyJS
JavaScript to Erlang compiler
Topaz
Rebol inspired language on top of JavaScript
NGN APL
APL-to-JavaScript compiler written in CoffeeScript
CobolScript
COBOL language compiler to JavaScript.
Idris
Dependently typed functional language with a JavaScript backend.
Wortel
J/APL inspired language with Polish Notation, compiles to JavaScript.
oK
K5 implementation on top of Javascript.
JEnglish
Interprets regular English statements into HTML/CSS
uilang & uiscript
Simple UI-focused script languages for web designers
Hodor
Hodor programming language
L2
A simple, table-based language for data analysis
YoptaScript
Language for gopniks (post-Soviet aggressive young lower-class suburban male dwellers coming from families of poor education and income)
Tools for Compiler Writers
JavaScript Parsers and Extensions
JavaScript Optimizers
JavaScript Parser Generators
Name
Description
jison
Bison in JavaScript, used by CoffeeScript
nearley
A fast, lightweight Earley parser generator
OMeta/JS
Metacompiler for many languages to many targets, including js. (source )
PEG.js
Parser generator for JavaScript based on the parsing expression grammar formalism
languagejs
PEG parser written in JavaScript with first class errors
Canopy
Self-hosting PEG parser compiler for JavaScript, influenced by Ruby parser generators such as Treetop and Citrus
JS/CC
LALR(1) parser generator
jsparse
PEG by Grandmaster Chris Double
ReParse
Parser combinator library for JavaScript like Haskell's Parsec
p4js
Monadic parser library for JavaScript
JSGLR
Scannerless, Generalized Left-to-right Rightmost (SGLR) derivation parser for JavaScript
ANTLR 3
Has a JavaScript target. ANTLR 4 has not implemented its JavaScript target yet .
Cruiser.Parse
LL(k) parser
MetaCoffee
PEG parser using CoffeeScript and white-space-significant syntax
Bennu
Parsec inspired Javascript parser combinator library.
bison-lalr1.js
JavaScript skeleton for Bison GNU Parser Generator
JavaScript AST, Semantics