Comment by mintplant

It's a fork of node.js with ES6 support. The goal is a faster release cycle and an updated V8 engine, plus an "open governance model" as opposed to Joyent's domination of node.js prime.

https://github.com/iojs/io.js

    Current Project Team Members
    ============================

    Isaac Z. Schlueter
    Ben Noordhuis
    Bert Belder
    Fedor Indutny
    Trevor Norris
    Chris Dickinson
    Colin Ihrig
    Mikeal Rogers
    Rod Vagg