Mobello : Mobello is high performance javascript UI framework for HTML5 mobile app
Onsen : Open source HTML5 hybrid app framework for PhoneGap & Cordova
Mobile-optimized HTML5, CSS and JavaScript with Web components
Responsive layout, Materi...
Streeme : Streeme can serve music to most HTML5 compliant browsers and smartphone handsets using the computer you already own.
jQuery Mobile : jQuery Mobile is a HTML5-based user interface system designed to make responsive web sites and apps that are accessible on all smartphone, tablet and ...
320 and up : ‘320 and Up’ is a lightweight, easy to use and content first responsive web design boilerplate.
The beautiful, open source front-end SDK for developing hybrid mobile apps with HTML5.