HTML5 Hybrid App Framework & UI ComponentsDevelop awesome looking and high performance HTML5 mobile apps with Onsen framework and UI components. Provides AngularJS and jQuery bindings.
The most advanced responsive front-end framework in the worldA Framework for any device, medium, and accessibility. Foundation is a family of responsive front-end frameworks that make it easy to design beautiful responsive websites, apps and emails that look amazing on any device. Foundation is semantic, readable, flexible, and completely customizable.
Full Featured HTML Framework For Building iOS & Android AppsFramework7 - is a free and open source mobile HTML framework to develop hybrid mobile apps or web apps with iOS & Android native look and feel. It is also an indispensable prototyping apps tool to show working app prototype as soon as possible in case you need to.