inkface - Inkface is SVG based GUI framework.
Nativator - Convert any web app to native mobile app fast & easy. Nativator.
GraphicsJS - Free open-source JavaScript library for easily drawing HTML5 graphics and animation.
Website 2 APK Builder - Convert your HTML, CSS, JS and all other web content into an Android App within seconds.
p5.js - JS library for creating graphic and interactive experiences
Median.co - Median.co (formerly GoNative.io) is the industry leading solution used to build iOS and Android webview apps. Get started for free and turn any website into a full-feature mobile app in seconds.