Start an HTML5 Boilerplate project in 15 seconds! Initializr is an HTML5 template generator developed by Jonathan Verrechia With several options including Twitter Bootstrap responsive design integration, Initializr is a good option for developing custom themes for any application without spending hours integrating HTML5 Boilerplate, Twitter Bootstrap, etc.
Roots is a starting WordPress theme made for developers based on HTML5 Boilerplate & Bootstrap from Twitter. Roots was developed to assist you with getting off to a fast start developing your own custom WordPress themes using HTML5 Boilerplate and Twitter Bootstrap. The theme’s website is www.rootstheme.com the code is currently available via the developer’s GitHub repo.