A Yeoman generator for Firefox OS apps.
npm install -g yo
npm install -g generator-firefoxos
Now you will have a Firefox OS app skeleton, ready to be deployed to a device.
To install the app in a phone for the first time, run:
$ grunt push$ grunt reset
Please read How to develop apps for Firefox OS to know how you can use this generator to develop your own apps.
After that, you might want to take a look at What's included out of the box (and why) to have an understanding of all the tools and libraries that are available to you.
Thanks to people who contributed code and bug fixes: