jQuery - The Write Less, Do More, JavaScript Library.
Bulma - Bulma is an open source CSS framework based on Flexbox and built with Sass. It's 100% responsive, fully modular, and available for free.
React Native - A framework for building native apps with React
Bootstrap - Simple and flexible HTML, CSS, and JS for popular UI components and interactions
Babel - Babel is a compiler for writing next generation JavaScript.
Materialize CSS - A modern responsive front-end framework based on Material Design