Flat UI Free is retina ready flat user interface kit built using Twitter Bootstrap in a stunning flat-style, and the kit also includes a PSD version for designers. The HTML contains the same elements as the PSD version and are perfect for creating great websites.
Flat UI Free contains many basic and complex components which are great for designers to have at hand: buttons, inputs, button groups, selects, checkboxes and radio-buttons, tags, menus, progress bars and sliders, navigation elements and more.
Colored, stylish icons can easily be modified and used in a wide variety of projects, as they contain original layers. Glyphs are also available in psd, html/css and svg formats.