Web App Resources

Materializecss
http://materializecss.com

Semantic UI framework, includes ember bindings
http://semantic-ui.com/

Bootstrap material design
http://mdbootstrap.com/

Build mobile apps with simple HTML‚ CSS‚ and JS components.
http://goratchet.com/components/

Flakes is an Open Source Design & Frontend Framework that serves as a foundation for internal business applications.
http://getflakes.com/index.html

Fully responsive, performance first css patterns
https://github.com/mrmrs/tachyons/

Decorator
http://decorator.codable.org/

framework7
http://www.idangero.us/framework7/