Storefront is a robust and flexible WordPress theme, designed by WooCommerce creators WooThemes to help you make the most out of using WooCommerce to power your online store. It's available to download for free at the WordPress theme repository.
It features deep integration with WooCommerce core plus several of the most popular extensions:
For developers, Storefront is the perfect starting point for your project. It's lean and extensible codebase will allow you to easily add functionality to your site via child theme and/or custom plugin(s).
Looking to take your storefront powered store to the next level? Be sure to checkout the premium Storefront extensions.
You can view detailed Storefront documentation on the WooThemes documentation web site.
WooThemes customers can get support at the WooThemes support portal. Otherwise you can try posting on the WordPress support forums. Please remember, github is for bug reports and contributions, not support.
Github is the place to discuss new features and possible changes to the Storefront codebase. Create an issue to discuss any code related queries and if you want to send a pull request, please do so to the latest release branch.