Google Material Design for Bootstrap

Material Design for Bootstrap is a theme for Bootstrap 3 which let you use Google Material Design in your favourite front-end framework.

Google Material Design for Bootstrap

uilang - User interface components

uilang is a minimal programming language for web designers. You can easily create custom user interface components and build prototypes.

uilang – Build UI components

Bootflat - Flat UI kit for Bootstrap

Bootflat is an open source flat UI kit based on Twitter’s Bootstrap 3.1 CSS framework. It provides a faster way to create elegant web apps.

Bootflat – Flat UI kit for Bootstrap

Flat design UI - HTML5 + CSS3

Here is a flat design user interface inspired to a PSD freebie by GraphicBurger. This HTML5 + CSS3 ready-coded template is not complete yet.

Flat design UI – HTML5 + CSS3

Responsive Flat UI kit - HTML

Responsive Flat UI kit is a ready coded HTML custom UI set built to work with and sit next to Bootstrap 3. Created by Catalin Rosu.

Responsive Flat UI kit – HTML

Free PSD & HTML Flat UI kit

Flat UI Free is an awesome HTML UI kit containing a lot of useful web elements for your web projects. It has been made with Bootstrap.

Free PSD & HTML Flat UI kit

Light free UI kit

A feature-packed user interface kit containing buttons, input fields, sliders, progress bars, and various other form elements. It’s also fully coded for you in CSS and HTML.

Light UI Kit in CSS & HTML