The most popular HTML, CSS, and JS library in the world.

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jQuery UI is a curated set of user interface interactions, effects, widgets, and themes built on top of the jQuery JavaScript Library.

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The most advanced responsive front-end framework in the world.

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Classic modular front-end component library

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UIkit is a lightweight and modular front-end framework for developing fast and powerful web interfaces.

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Semantic is a development framework that helps create beautiful, responsive layouts using human-friendly HTML.

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Amaze UI is an open-sourced responsive front-end framework.

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A modern responsive front-end framework based on Material Design

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A library for building richly interactive web applications.

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A high quality UI components Library with Vue.js

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A Component Library for Vue.js.

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An HTML5, jQuery-based widget library for building modern web apps.

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A deeply customized open source front-end practice based on Bootstrap to help you quickly build modern multi-screen applications.

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Bulma is a free, open source CSS framework based on Flexbox.

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Flat UI Free is a beautiful theme for Bootstrap. We have redesigned many of its components to look flat in every pixel

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MDUI is a front-end framework based on Material Design.

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Easyui is a jQuery-based framework that integrates a variety of user interface plug.

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H-ui front-end framework is a lightweight web front-end framework developed based on the ideas of bootstrap based on HTML, CSS, and JAVASCRIPT

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A UI library by WeChat official design team, includes the most useful widgets/modules in mobile web applications.

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An enterprise-class UI design language and React UI library.

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Ext JS is the developer's choice for building powerful desktop web applications using JavaScript and web standards.

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React components that implement Google's Material Design.

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Framework7 - is a free and open source framework to develop mobile, desktop or web apps with native look and feel.

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w2ui is a modern and intuitive JavaScript UI library based on Jquery for building rich data-driven web applications.

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A community fork of the popular Semantic-UI framework.

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