Materialize CSS - A modern responsive front-end framework based on Material Design
Bootstrap - Simple and flexible HTML, CSS, and JS for popular UI components and interactions
Foundation - The most advanced responsive front-end framework in the world
Ionic - Ionic is a cross-platform mobile development stack for building performant apps on all platforms with open web technologies.
Semantic UI - A UI Component library implemented using a set of specifications designed around natural language
AngularJS - AngularJS lets you extend HTML vocabulary for your application. The resulting environment is extraordinarily expressive, readable, and quick to develop.