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
Vuetify - Material Component Framework for VueJS 2
Buefy - Lightweight UI components for Vue.js based on Bulma
Semantic UI - A UI Component library implemented using a set of specifications designed around natural language