UI Frameworks

CSS

960 Grid System - The 960 Grid System is an effort to streamline web development workflow. http://960.gs
AgnosticUI - Accessible React component primitives that also work with Vue 3, Svelte, and Angular
Amaze UI - Amaze UI, a mobile-first and modular front-end framework. http://amazeui.org/
Blueprint - A CSS framework that aims to cut down on your CSS development time http://www.blueprintcss.org
Bootmetro - Simple and flexible web framework to create elegant and modern web applications with the same look & feel of Windows 8 http://www.marcellop.com/bootmetro/
Bootsrap - The most popular HTML, CSS, and JavaScript framework for developing responsive, mobile first projects on the web. http://getbootstrap.com
Material Design for Bootstrap - Material design theme for Bootstrap 3 and 4. https://fezvrasta.github.io/bootstrap-material-design/
Bulma - Modern CSS framework based on Flexbox. http://bulma.io
Cascade Cascade Framework. http://cascade-framework.com/
ConciseCSS A CSS framework that's lightweight and easy-to-use. Give up the bloat. Stop tripping over your classes. Be Concise. http://concisecss.com/
Cutestrap - A strong, independent CSS Framework. Only 2.7KB minified & gzipped. https://www.cutestrap.com
Foundation - The most advanced responsive front-end framework in the world. Quickly create prototypes and production code for sites that work on any kind of device. http://foundation.zurb.com
Grd - A CSS grid framework using Flexbox. Only 321 bytes (Gzipped). https://1000ch.github.io/grd/
Gumby - A Flexible, Responsive CSS Framework - Powered by Sass. http://www.gumbyframework.com/
Kube - Kube is a minimalistic Web framework for professional developers and designers. https://imperavi.com/kube/
Less Framework - An adaptive CSS grid system. http://www.jonikorpi.com/less-framework/
Material Design Lite - Material Design Lite (MDL) lets you add a Material Design look and feel to your static content websites. It doesn't rely on any JavaScript frameworks or libraries. https://getmdl.io/
Materialize - CSS Framework based on Material Design. http://materializecss.com
Metro UI - CSS styles for build Windows 8 Metro UI stylable interface.http://metroui.org.ua/
Miligram A minimalist CSS framework. https://milligram.github.io/
MUI - MUI is a lightweight CSS framework that follows Google's Material Design guidelines. https://www.muicss.com
NES - NES-style CSS Framework. https://nostalgic-css.github.io/NES.css/
Office UI Fabric - The front-end framework for building experiences for Office 365. https://developer.microsoft.com/en-us/fluentui
Pills - A simple responsive CSS Grid for humans. http://arkpod.in/pills/
Primer - The base coat of GitHub. Our internal CSS toolkit and guidelines. https://github.com/primer/primer
Pure - A set of small, responsive CSS modules that you can use in every web project. http://purecss.io/
Pure CSS Components - A set of common UI Components using the power of CSS and without Javascript. https://www.felipefialho.com/css-components/
Responsive - A powerful, accessible, developer friendly framework for building responsive websites. http://responsivebp.com
Sakura - A minimal css framework/theme. https://oxal.org/projects/sakura
Semantic UI - Semantic is a UI component framework based around useful principles from natural language. http://semantic-ui.com/
Skeleton - A Dead Simple, Responsive Boilerplate for Mobile-Friendly Development. http://getskeleton.com/
Spectre - A lightweight, responsive and modern CSS framework. https://picturepan2.github.io/spectre/
Topcoat - CSS for clean and fast web apps. http://topcoat.io
Tufte-css - Style your webpage like Edward Tufte's handouts. https://edwardtufte.github.io/tufte-css/
Tailwind.css - A utility-first CSS framework for rapid UI development. https://tailwindcss.com/
Typebase.css - A starting point for good typography on the web. http://devinhunt.github.io/typebase.css/
UIKit - A lightweight and modular front-end framework for developing fast and powerful web interfaces. http://getuikit.com
Unnamed - A simple colorful css framework https://unnamed.smakosh.com
U.S. Web Design System The U.S. Web Design System is a design system for building fast, accessible, mobile-friendly federal government websites. https://designsystem.digital.gov
Water.css - A just-add-css collection of styles to make simple websites just a little nicer. https://watercss.netlify.com/
Yaml - YAML (Yet Another Multicolumn Layout) is a modular CSS framework for truly flexible, accessible and responsive websites. It is based on Sass and has a very slim framework core that weights only ~6kB. http://www.yaml.de
Yahoo User Interface Library - YUI is a free, open source JavaScript and CSS framework for building richly interactive web applications. http://yuilibrary.com/

HTML

Mavo - Create web applications entirely by writing HTML and CSS! https://mavo.io

JS

Amp HTML - AMP HTML is a way to build web pages for static content that render with reliable, fast performance. It is our attempt at fixing what many perceive as painfully slow page load times – especially when reading content on the mobile web. https://www.ampproject.org/
Angular - HTML enhanced for web apps. https://angularjs.org/
App.js - App.js is a lightweight JavaScript UI library for creating mobile webapps that behave like native apps, sacrificing neither performance nor polish. http://code.kik.com/app/3/index.html
Aurelia - The aurelia framework brings together all the required core aurelia libraries into a ready-to-go application-building platform. http://aurelia.io/
Backbone.js - Backbone supplies structure to JavaScript-heavy applications by providing models with key-value binding and custom events, collections with a rich API of enumerable functions, views with declarative event handling, and connects it all to your existing application over a RESTful JSON interface. http://backbonejs.org/
Bacon.js - FRP (functional reactive programming) library for Javascript. https://baconjs.github.io/
Brunch - Fast front-end web app build tool with simple declarative config, seamless incremental compilation for rapid development, an opinionated pipeline and workflow, and core support for source maps. http://brunch.io/
Cash - An absurdly small jQuery alternative for modern browsers. https://github.com/kenwheeler/cash
Can.js - CanJS is a MIT-licensed, client-side, JavaScript framework that makes building rich web applications easy. https://canjs.com/
Choo - sturdy 4kb frontend framework. https://choo.io/
Composer.js - Composer is a library for building complex single-page applications. http://lyonbros.github.io/composer.js/
Dojo - A JavaScript toolkit that saves you time and scales with your development process. Provides everything you need to build a Web app. Language utilities, UI components, and more, all in one place, designed to work together perfectly. https://github.com/dojo
Flapjax - functional reactive programming for JavaScript http://www.flapjax-lang.org/
Flight - A component-based, event-driven JavaScript framework from Twitter. http://flightjs.github.io/
Fn.js - A JavaScript library built to encourage a functional programming style & strategy http://eliperelman.com/fn.js/
Handlebars.js - Handlebars.js is an extension to the Mustache templating language created by Chris Wanstrath. Handlebars.js and Mustache are both logicless templating languages that keep the view and the code separated like we all know they should be. http://handlebarsjs.com/
Hilo - A Cross-end HTML5 Game development solution developed by Alibaba Group https://hiloteam.github.io/
Hyperapp - 1 KB JavaScript library for building frontend applications. [https://hyperapp.glitch.me)
Inferno - An extremely fast, React-like JavaScript library for building modern user interfaces. http://infernojs.org/
jQuery - jQuery JavaScript Library. https://jquery.com/
jQuery Mobile - jQuery Mobile is a unified, HTML5-based user interface system for all popular mobile device platforms, built on the rock-solid jQuery and jQuery UI foundation. https://jquerymobile.com/
JsBlocks - Better MV-ish Framework. http://jsblocks.com/
Knockout.js - Knockout makes it easier to create rich, responsive UIs with JavaScript. http://knockoutjs.com/
Lazy.js - Lazy.js is a functional utility library for JavaScript, similar to Underscore and Lo-Dash, but with an underlying engine that supports many more use cases than those libraries, while offering comparable or superior performance in most scenarios. http://danieltao.com/lazy.js/
LayerJS - Javascript UI composition framework. https://layerjs.org/
Lodash - A JavaScript utility library delivering consistency, modularity, performance, & extras. https://lodash.com/
Marko.js - A friendly (and fast!) UI library from eBay that makes building web apps fu. https://markojs.com/
Min.js - Super minimal selector and event library. https://github.com/remy/min.js
Mithril.js - A JavaScript Framework for Building Brilliant Applications https://mithril.js.org
Moon - A minimal, blazing fast UI library. http://moonjs.ga/
MooTools - MooTools is a collection of JavaScript utilities designed for the intermediate to advanced JavaScript developer. It allows you to write powerful and flexible code with its elegant, well documented, and coherent APIs. http://mootools.net/
Mustache.js - Minimal templating with {{mustaches}} in JavaScript. http://mustache.github.io/
Nerv - A blazing fast React alternative, compatible with IE8 and React 16. https://nerv.aotu.io/
Omi - Next generation web framework in 4kb JavaScript (Web Components + JSX + Proxy + Store + Path Updating). http://omijs.org
Polymer - Polymer lets you build encapsulated, re-usable elements that work just like HTML elements, to use in building web applications. https://www.polymer-project.org/1.0/
Preact - Fast 3kb React alternative with the same ES6 API. Components & Virtual DOM. https://preactjs.com
Prototype - Prototype is a JavaScript framework that aims to ease development of dynamic web applications. It offers a familiar class-style OO framework, extensive Ajax support, higher-order programming constructs, and easy DOM manipulation. http://prototypejs.org/
Radioactive - Radioactive is a Native FRP ( Functional Reactive Programming ) environment for Javascript. https://github.com/radioactive/radioactive
React - React is a JavaScript library for building user interfaces. https://facebook.github.io/react/
Serverless - The Server-less Application Framework. Uses bleeding-edge AWS services to redefine how to build massively scalable (and cheap) apps! https://serverless.com/
Skel - A lightweight responsive framework for the www. https://github.com/ajlkn/skel
Sprint - A tiny, lightning fast jQuery-like library for modern browsers. https://github.com/bendc/sprint
Slate - A completely customizable framework for building rich text editors. http://slatejs.org
Riot.js - A React-like, user interface library. http://riotjs.com/
t3js - T3 is a client-side JavaScript framework for building large-scale web applications. http://t3js.org/
Trine - Trine is a utility library geared at tapping the full potential of functional programming in JS, in the vein of lodash, underscore and Ramda. https://github.com/jussi-kalliokoski/trine
Two.js - A two-dimensional drawing api meant for modern browsers. It is renderer agnostic enabling the same api to render in multiple contexts: webgl, canvas2d, and svg. http://jonobr1.github.io/two.js/
Vue.js - Simple yet powerful library for building modern web interfaces. http://vuejs.org/
Way.js - Simple, lightweight, persistent two-way databinding. http://gwendall.github.io/way/
Zepto.js - Zepto.js is a minimalist JavaScript library for modern browsers, with a jQuery-compatible API. http://zeptojs.com/

React

Chakra UI - ⚡️ Simple, Modular & Accessible UI Components for your React Applications. https://chakra-ui.com/
CSS Blocks - High performance, maintainable stylesheets. http://css-blocks.com/
Draft.js - A React framework for building text editors. https://facebook.github.io/draft-js/
Elemental UI - A UI Toolkit for React.js Websites and Apps. http://elemental-ui.com/
Essential - A minimal skeleton for building testable React apps using ES6. https://github.com/pheuter/essential-react
Evergreen - Evergreen React UI Framework by Segment https://evergreen.surge.sh/
Flux - An application architecture for React utilizing a unidirectional data flow. http://facebook.github.io/flux/
Grommet - A react-based framework that provides accessibility, modularity, responsiveness, and theming in a tidy package https://grommet.io
Ink - React for interactive command-line apps.
Maple.js - Maple.js is a React webcomponents based framework mixing ES6 with Custom Elements, HTML Imports and Shadow DOM. It has in-built support for SASS and JSX, including a Gulp task for vulcanizing your project. http://maple-app.herokuapp.com/

Material UI - React Components that Implement Google's Material Design. http://www.material-ui.com

Polaris - Our design system helps us work together to build a great experience for all of Shopify’s merchants.
React95 - Refreshed Windows 95 style UI components for your React app https://react95.io/
React Toolbox - A set of React components implementing Google's Material Design specification with the power of CSS Modules.
React-MDL - React Components for Material Design Lite. https://tleunen.github.io/react-mdl
React Static - A progressive static-site framework for React. https://medium.com/@tannerlinsley/%EF%B8%8F-introducing-react-static-a-progressive-static-site-framework-for-react-3470d2a51ebc
React Transform Boilerplate - A new Webpack boilerplate with hot reloading React components, and error handling on module and component level.
ReactXP Library for cross-platform app development. https://microsoft.github.io/reactxp
Reapp - Reapp - next gen hybrid apps. https://github.com/reapp/reapp
Relay - Relay is a JavaScript framework for building data-driven React applications. https://facebook.github.io/relay/
Rebass - React primitive UI components built with styled-system. https://rebassjs.org
Ring UI - A collection of JetBrains Web UI components. https://jetbrains.org/ring-ui
Uiw - A high quality UI Toolkit, A Component Library for React 16+. https://uiwjs.github.io
wired-elements - Collection of elements that appear hand drawn. Great for wireframes. https://wiredjs.com
Yoshino - A themable React component library！Flexible Lightweight PC UI Components built on React! Anyone can generate easily all kinds of themes by it! https://yoshino-ui.github.io

Vue

at-ui - A fresh and flat UI-Kit specially for desktop application, made with ♥ by Vue.js 2.0. https://at.aotu.io
bootstrap-vue - Implementation of bootstrap-4 grid and components for Vue.js 2. https://bootstrap-vue.js.org/
buefy - Components based on Bulma framework. https://buefy.org/
cube-ui - A fantastic mobile ui lib implement by Vue. https://didi.github.io/cube-ui/
Element - A Vue.js 2.0 UI Toolkit for Web https://element.eleme.io/
element-ui - A Vue.js 2.0 UI Toolkit for Web. http://element.eleme.io/
fish-ui - A Vue.js 2.0 UI Toolkit for Web. https://myliang.github.io/fish-ui
Framework7 - Full featured HTML framework for building iOS & Android apps http://framework7.io
iview-ui - A Vue.js 2.0 UI Framework for web. https://www.iviewui.com
Keen-UI - A lightweight Vue.js UI library with a simple API, inspired by Google's Material Design. https://josephuspaye.github.io/Keen-UI/
material-components-vue - wrapper around material-components-web for Vue.js. https://matsp.github.io/material-components-vue/
mint-ui - Mobile UI elements for Vue.js. https://mint-ui.github.io
muse-ui - Material Design UI library for Vuejs 2.0. https://museui.github.io
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. https://onsen.io/
PrimeVue - A Vue.js 2.0 UI Component library for Web. https://github.com/primefaces/primevue
Quasar Framework - Quasar Framework. Build responsive websites, hybrid mobile Apps (that look native on Android and iOS) and Electron apps using same code, with VueJs 2. http://quasar-framework.org/
Semantic UI Vue - Semantic UI integration for Vue https://semantic-ui-vue.github.io
v-semantic - Implementation of semantic-ui for Vue. https://semantic-ui.com/
vue-blu - UI Component Library Base on Vue.js(2.x) and Bulma. https://chenz24.github.io/vue-blu
vue-bulma-components - Easily use bulma class syntax with vue components. https://codesandbox.io/s/wk2w3z0zk5
vue-material - Material design for Vue.js. https://vuematerial.io/
vue-strap - Bootstrap components built with Vue.js [http://yuche.github.io/vue-strap/]](http://yuche.github.io/vue-strap/)
vuikit - A responsive Vue UI library for web site interfaces https://vuikit.js.org
vuesax - Frontend vue Components for Vue.js. https://lusaxweb.github.io/vuesax/
vuetify - Material Component Framework for Vue.js 2 https://vuetifyjs.com
Zircle UI - A lightweight front-end library for developing zoomable user interfaces. https://zircleui.github.io/zircleUI/

roblevintennis/ui-frameworks

UI Frameworks

CSS

HTML

JS

React

Vue