Onsen : Open source HTML5 hybrid app framework for PhoneGap & Cordova
Mobile-optimized HTML5, CSS and JavaScript with Web components
Responsive layout, Materi...
Strut : An HTML5 Presentation Editor. A GUI / Authoring Tool for ImpressJS and Bespoke.js
Source at https://github.com/tantaman/Strut
Reapp : An easier, faster way to build apps with React and JavaScript. Built from the ground up to target multiple platforms. Customize every piece of it from...
Hyperform : Hyperform is a complete implementation of the HTML 5 form validation API in Javascript. It replaces or polyfills the browser’s native methods and ease...
Easily create apps using the web technologies you know and love: HTML, CSS, and JavaScript.
PhoneGap is a free and open source framework that allows you to create mobile apps using standardized web APIs for the platforms you care about.