Twitter and Zurb open-source their frameworks.
We are happy to announce Bootstrap, a front-end toolkit for rapidly developing web applications. It is a collection of CSS and HTML conventions. It uses some of the latest browser techniques to provide you with stylish typography, forms, buttons, tables, grids, navigation and everything else you need in a super tiny (only 6k with gzip) resource.
An easy to use, powerful, and flexible framework for building prototypes and production code on any kind of device.Start here, build everywhere.