A starter theme called _s, or underscores created by the folks at Automattic.
A responsive parent theme built on top of Hybrid Core for developers.
Toastpress is a starter WordPress theme based on Dan Eden’s original toast.css framework
A solid, sensible starter or parent theme, based on _s by Automattic
Foundation, for WordPress, is a blank starter theme built on ZURB’s Foundation Framework v4.
A responsive parent theme for WordPress, based on the fantastic Foundation framework
Quark is your basic building block for creating beautiful, responsive custom themes. Itâ€™s not a convoluted or confusing framework thatâ€™s hard to learn.
Reverie Framework is an extremely versatile HTML5 WordPress framework based on ZURB’s Foundation, a powerful tool for building prototypes on any kind of devices.
Theme based on Hybrid Core and Zurb Foundation front end framework
This Base theme is intended to let you build your custom themes using it as a foundation.
Basic starter theme for responsive WordPress sites. Based on the basic HTML5 starter theme
Bones is a WordPress Theme for Developers. Built around the HTML5 Boilerplate, Bones is a rock solid foundation to start any WordPress project. Keep what you need, remove what you don’t. It’s totally up to you.