⚡ User Interface Frameworks
User Interface (UI) frameworks are libraries of typical code, design elements, and components that help web developers create user interfaces.
According to our research, user interface frameworks are used on 42.1% of all websites.
81.7% of these sites use only one UI framework, 17.4% use two, and 0.9% use three or more at the same time.
⭐ Most Popular in 2025
The following chart shows the leading UI frameworks in 2025, based on market share.
The most popular is Bootstrap with a substantial share of 63.4%, followed by jQuery UI with 37.6% and Tailwind CSS with 5.9%.
You can also drill down by country:
🚀 Country Highlights
Here is a list of frameworks that are especially popular in certain countries.
Differences between global and country rankings are shown in parentheses.
✨ Best UI Frameworks
Below is a more detailed list of the top 25 of the 59 UI frameworks we detect, ranked by their market share.
Rank Name Market share
1
Bootstrap
San Francisco, California, United States An open-source framework for building responsive, mobile-first websites and web applications with HTML, CSS, and JavaScript, originally developed at Twitter.
Free Open source
63.4%
2
jQuery UI
San Francisco, California, United States A curated set of user interface interactions, effects, widgets, and themes built on top of the jQuery JavaScript Library.
Free Open source
37.6%
3
Tailwind CSS
Kitchener, Ontario, Canada An open-source utility-first framework that provides low-level CSS classes for building user interfaces directly in markup.
Free Open source $149+
5.9%
4
AMP
San Francisco, California, United States An open source HTML framework for creating lightweight pages that are optimized for mobile web browsing and load faster.
Free Open source
2.9%
5
Foundation
Campbell, California, United States An open-source responsive framework that provides a customizable grid system, a library of UI components, HTML templates, and JavaScript plugins.
Free Open source
2.7%
6
UIKit
Hamburg, Germany A lightweight and modular front-end framework.
Free Open source
2.1%
7
Bulma
London, United Kingdom An open source modular CSS framework based on Flexbox.
Free Open source
0.9%
8
Materialize
Pittsburgh, Pennsylvania, United States A responsive CSS framework based on Google's Material Design guidelines.
Free Open source
0.4%
9
Material UI
Paris, France An open-source React component library that implements Google's Material Design.
Free Open source $180+/developer/year
0.3%
10
Radix UI
San Francisco, California, United States An open-source component library optimized for fast development, easy maintenance, and accessibility.
Free Open source
0.3%
11
Spectre.css
Shanghai, China A lightweight, responsive CSS framework designed for faster and extensible development.
Free Open source
0.3%
12
Headless UI
Kitchener, Ontario, Canada Completely unstyled, fully accessible UI components, designed to integrate beautifully with Tailwind CSS.
Free Open source
0.2%
13
W3.CSS
Sandnes, Norway An open-source, pure CSS framework developed by the W3Schools team, designed for building responsive websites without JavaScript.
Free Open source
0.2%
14
Angular Material
Mountain View, California, United States A library of UI components for Angular that implements Google's Material Design specification.
Free Open source
0.2%
15
Tachyons
Boise, Idaho, United States A lightweight, functional CSS framework that enables the creation of fast, responsive, and accessible web interfaces without writing custom CSS.
Free Open source
0.2%
16
Layui
Hangzhou, China A Chinese modular front-end UI library.
Free Open source
0.2%
17
Pure CSS
New York, United States A lightweight, responsive CSS framework developed by Yahoo for building fast and minimal web interfaces.
Free Open source
0.2%
-
MDB
Warsaw, Poland A UI toolkit that combines Bootstrap with Google's Material Design guidelines.
Free Open source €29+
0.1%
19
Kendo UI
Burlington, Massachusetts, United States A commercial bundle of four JavaScript UI libraries built natively for jQuery, Angular, React, and Vue.
Free Open source $799+/year
0.1%
20
Semantic UI
New York, United States An open-source component framework that helps create responsive layouts using human-friendly CSS class names.
Free Open source
0.1%
21
Chakra UI
Manchester, United Kingdom A comprehensive library of accessible, reusable, and composable React components.
Free Open source
0.1%
22
Material Design Lite
Mountain View, California, United States A legacy user interface framework that implements Material Design components using plain CSS, JavaScript, and HTML without external dependencies.
Free Open source Legacy
0.1%
23
Ant Design
Hangzhou, China An enterprise-level UI design language and React component library.
Free Open source
0.07%
24
Vuetify
Southlake, Texas, United States An open-source, no design-skills-required UI library of beautifully handcrafted Vue components.
Free Open source
0.07%
25
Vant
A lightweight, customizable Vue UI library for mobile web apps.
Free Open source
0.05%
👉 See Also
Data is based on the analysis of 2,764,714 websites.
Statistics were last calculated on
December 28, 2025 .
For details, see our
methodology and
disclaimer .