Yeoman Opencart 
What?
What is Yeoman?
Trick question. It's not a thing. It's this guy:
Basically, he wears a top hat, lives in your computer, and waits for you to tell him what kind of application you wish to create.
Not every new computer comes with a Yeoman pre-installed. He lives in the npm package repository. You only have to ask for him once, then he packs up and moves into your hard drive. Make sure you clean up, he likes new and shiny things.
npm install -g yoWhat is Yeoman Generators?
Yeoman travels light. He didn't pack any generators when he moved in. You can think of a generator like a plug-in. You get to choose what type of application you wish to create, like this Opencart generator do.
What is Opencart?
Did You just ask that?? You are in the wrong place mate!
Anyway, OpenCart is a free open source PHP-based e-commerce solution. providing a professional and reliable foundation from which to build a successful online store. OpenCart is designed feature rich, easy to use, search engine friendly and with a visually appealing interface. Find more here.
How?
First, install the generator. Then, initiate the generator, there you are with your Opencart application scaffold! Simple as like that!
To install generator-opencart from npm, run:
npm install -g generator-opencartTo initiate the generator:
yo opencartWhich creates an Opencart application scaffold on-the-go!
(c) 2015 Leekas Shep. Licensed under MIT.