29/07/2013

• Bulma : A modern CSS framework based on Flexbox
• xCSS : xCSS bases on CSS and empowers a straightforward and object-oriented workflow when developing complex style cascades.
• lit : a ridiculously small responsive css framework
• YAML Builder : A tool for visual layout development of YAML based CSS layouts
• Foundation : An easy to use, powerful, and flexible framework for building prototypes and production code on any kind of device.