CoffeeScript Alternatives

JavaScript (sometimes shortened to JS) is a lightweight, interpreted, object-oriented language with first-class functions, most known as the scripting language for Web pages, but also used in many non-browser environments.

TypeScript is a language for application-scale JavaScript development. It is a typed superset of JavaScript that compiles to plain JavaScript in any browser, any host, any OS and it is Open Source.

Dart (originally called Dash) is a Web programming language developed by Google. It was unveiled at the GOTO conference in Aarhus, 2011 October 10-12. The goal of Dart is "ultimately to replace JavaScript as the lingua franca of web development on the open web platform.

Kotlin is a cross-platform, statically typed, general-purpose programming language with type inference.

Haxe is an open source toolkit based on a modern high level strictly typed programming language, a state-of-the-art light-speed cross-compiler, a complete cross-platform standard library, and ways to access to each platform's native capabilities.

Babel is a generic multi-purpose compiler for JavaScript. Using Babel you can use (and create) the next generation of JavaScript, as well as the next generation of JavaScript tooling.

Elm aims to make web development more pleasant. Elm is a type-safe, functional reactive language that compiles to HTML, CSS, and JavaScript.

CrossBrowdy is an open-source and free JavaScript framework that let developers create multimedia apps, game engines, games, emulators and so on.

Real-Time JavaScript Tool is a portable tool that allows JavaScript codes to be executed in Real-Time!

LiveScript is a language which compiles down to JavaScript. It is a fork of Coco which is in turn derived from CoffeeScript. Like those two it has a relatively straightforward mapping to JavaScript.