Best responsive html5 frameworks for web developers 2015.
Gumby
Gumby 2 is built with the power of Sass. Sass is a powerful CSS preprocessor which allows us to develop Gumby itself with much more speed and gives you new tools to quickly customize and build on top of the Gumby Framework. Gumby 2 is an amazing responsive CSS Framework.
Pure.CSS
A set of small, responsive CSS modules that you can use in every web project. Pure is responsive out of the box, so elements look great on all screen sizes. Pure has minimal styles and encourages you to write your application styles on top of it. It’s designed to get out of your way and makes it easy to override styles.
Foundation
Foundation 5 is the professional choice for designers, developers and teams.
SproutCore
SproutCore is an open-source framework for building blazingly fast, innovative user experiences on the web.
Bootstrap
Bootstrap is a Sleek, Intuitive and powerful front-end framework for faster and easier web development. Features are 12-column responsive grid, dozens of components, JavaScript plugins, typography and more.
HTML KickStart
HTML5 Boilerplate
HTML5 Boilerplate helps you build fast, robust, and adaptable web apps or sites. Kick-start your project with the combined knowledge and effort of 100s of developers, all in one little package.
Skeleton
52Framework
UIkit
A lightweight and modular front-end framework for developing fast and powerful web interfaces. UIkit gives you a comprehensive collection of HTML, CSS, and JS components which is simple to use, easy to customize and extendable.
Layers
Layers CSS is a CSS framework aimed for practical use cases. It comes with a small footprint and zero bullshit.
Base
Base is a semantic, lightweight and extensible framework to power the next generation of responsive websites. Built on beautiful, configurable LESS CSS engineered around a set of variables and mixins. Base is ready to transform into any site you throw at it.