By Rik Arends, CTO of Ajax.org / Cloud9 IDE This post is part of Who's at Google I/O, a series of guest blog posts written by developers who are appearing in the Developer Sandbox at Google I/O. Cloud9 is an online IDE for JS, Python, PHP and Ruby development. By placing all your code in the cloud, you can access your code anywhere, anytime and on any device. But what if you’re not online? Working
![Working offline with Cloud9 on Google Chrome](https://cdn-ak-scissors.b.st-hatena.com/image/square/766400b6d14a5da75184a242447d9884786e5fdc/height=288;version=1;width=512/http%3A%2F%2F4.bp.blogspot.com%2F-2pvASWw_s1o%2FTciwm_kmmPI%2FAAAAAAAAAbE%2F1f5OKh8Iah8%2Fw1200-h630-p-k-no-nu%2Frikarends.jpeg)