OnsenUI

Mobile app development framework and SDK using HTML5 and JavaScript. Create beautiful and performant cross-platform mobile apps. Based on Web Components, and provides bindings for Angular 1, 2, React and Vue.js. Maintained by OnsenUI on GitHub, where it has earned 8,863 stars from the community.

It's actively developed around android, angular, cordova, and is a solid reference for anyone building with these tools.