⚡ User Interface Frameworks in Estonia

User Interface (UI) frameworks are libraries of code, design elements, and components that help web developers create user interfaces with consistent structure and behavior.

Estonia is a Northern European country with a population of around 1.3 million people.

According to our research, user interface frameworks are used on 46.4% of websites from Estonia.

Statistics based on 6K+ analyzed websites. About this data

⭐ Most Popular in 2026

The following chart shows the top UI frameworks in Estonia in 2026, based on market share.

The most popular is Bootstrap with a substantial share of 61.1%, followed by jQuery UI with 38.6% and Tailwind CSS with 10.7%.

Bootstrap 61.1%
jQuery UI 38.6%
Tailwind CSS 10.7%
Foundation 2.3%
Bulma 1.5%
UIKit 1.4%
AMP 0.6%
Headless UI 0.6%
Material UI 0.4%
Radix UI 0.4%
Pure CSS 0.3%
React Aria 0.2%
Angular Material 0.2%
Spectre.css 0.2%
Material Design Lite 0.2%

🚀 Highlights

Here is a list of the top frameworks that are more popular in Estonia than worldwide.
Differences between global and country rankings are shown in parentheses.

4. Foundation ^(-1)
5. Bulma ^(-2)
8. Headless UI ^(-3)
9. Material UI ^(-1)
11. Pure CSS ^(-6)
12. React Aria ^(-2)
15. Material Design Lite ^(-8)
16. Kendo UI ^(-3)
18. Nuxt UI ^(-8)
19. Semantic UI ^(-1)

✨ Best UI Frameworks

Below is a more detailed list of the top 25 of the 31 UI frameworks used on sites from Estonia, 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. FreeOpen source	61.1%
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. FreeOpen source	38.6%
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. FreeOpen source$149+	10.7%
4	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. FreeOpen source	2.3%
5	Bulma London, United Kingdom An open-source modular CSS framework based on Flexbox. FreeOpen source	1.5%
6	UIKit Hamburg, Germany A lightweight and modular front-end framework. FreeOpen source	1.4%
7	AMP San Francisco, California, United States An open-source HTML framework originally created by Google for building lightweight web pages optimized for fast loading on mobile devices. FreeOpen source	0.6%
8	Headless UI Kitchener, Ontario, Canada An open-source library of unstyled, fully accessible UI components designed for React and Vue applications, with close integration with Tailwind CSS. FreeOpen source	0.6%
9	Material UI Paris, France An open-source React component library that implements Google's Material Design. FreeOpen source$180+/developer/year	0.4%
10	Radix UI San Francisco, California, United States An open-source component library that provides low-level, unstyled interface primitives for building accessible user interfaces and design systems in web applications. FreeOpen source	0.4%
11	Pure CSS New York, United States A lightweight, responsive CSS framework developed by Yahoo for building fast and minimal web interfaces. FreeOpen source	0.3%
12	React Aria San Jose, California, United States A library of unstyled React components and hooks for building accessible user interfaces. FreeOpen source	0.2%
13	Angular Material Mountain View, California, United States A library of UI components for Angular that implements Google's Material Design specification. FreeOpen source	0.2%
14	Spectre.css Shanghai, China A lightweight, responsive CSS framework designed for faster and extensible development. FreeOpen source	0.2%
15	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. FreeOpen sourceLegacy	0.2%
16	Kendo UI Burlington, Massachusetts, United States A commercial bundle of four JavaScript UI libraries built natively for jQuery, Angular, React, and Vue. FreeOpen source$799+/year	0.2%
17	Materialize Pittsburgh, Pennsylvania, United States A responsive CSS framework based on Google's Material Design guidelines. FreeOpen source	0.2%
18	Nuxt UI San Francisco, California, United States An open-source Vue UI component library with more than 125 accessible Tailwind CSS components that works with both Nuxt and standard Vue applications. FreeOpen source	0.1%
19	Semantic UI New York, United States An open-source component framework that helps developers create responsive layouts using human-friendly CSS class names. FreeOpen source	0.1%
20	Vuetify Southlake, Texas, United States An open-source, no design-skills-required UI library of beautifully handcrafted Vue components. FreeOpen source	0.1%
21	AngularJS Material Mountain View, California, United States An implementation of Google's Material Design Specification (2014-2017) for AngularJS developers. FreeOpen sourceLegacy	0.07%
22	MDB Warsaw, Poland A UI toolkit that combines Bootstrap with Google's Material Design guidelines. FreeOpen source€29+	0.07%
23	Fomantic UI An open-source component framework forked from Semantic UI to continue its active development. FreeOpen source	0.03%
24	PrimeFaces Ankara, Turkey An open-source JavaServer Faces framework with over 100 components, a touch-optimized mobile kit, client-side validation, and a theme engine. FreeOpen source$249+	0.03%
25	Mantine Russia An open-source React component library that includes over 100 customizable components. FreeOpen source	0.03%

👉 See Also

🌎 UI Frameworks in other countries

🗃️ About This Data

We evaluate the popularity of technologies based on the number of websites where we detect their usage.
Technologies without a detectable web footprint, and those we do not track, are not reflected in the calculated market share.
This report is based on the analysis of 6,427 websites from Estonia.
We currently track the presence of 67 UI frameworks across the web.
Of these, 31 were detected on websites from Estonia.
Statistics were last calculated on September 18, 2026.
For more details, see our methodology and disclaimer.