Onsen : Open source HTML5 hybrid app framework for PhoneGap & Cordova
Mobile-optimized HTML5, CSS and JavaScript with Web components
Responsive layout, Materi...
Mobello : Mobello is high performance javascript UI framework for HTML5 mobile app
320 and up : ‘320 and Up’ is a lightweight, easy to use and content first responsive web design boilerplate.
Expo : Expo is a framework and a platform for universal React applications. It is a set of tools and services built around React Native and native platforms ...
React Native : React Native lets you build mobile apps using only JavaScript. It uses the same design as React, letting you compose a rich mobile UI from declarative...
The beautiful, open source front-end SDK for developing hybrid mobile apps with HTML5.