Turn your ES5 code into readable ES6
Compile and package Angular libraries in Angular Package Format (APF)
Compile a Node.js project into a single file
Opal is a Ruby to JavaScript source-to-source compiler
bang jago emulator
Python to python compiler that allows you to use Python 3.6 features
Package for the JS version of closure-compiler for use via NPM
Rewrite of the CoffeeScript compiler with proper compiler design
Managed C++ for GCC