Introduction Overview of the Semantic UI Web Component Ecosystem open book Guide
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Introduction

Semantic UI is a framework for authoring standard W3C Web Components. Components work natively in modern browsers and integrate with frameworks like React, Vue, and Angular.

Design System vs Framework

To see examples of custom components check out our examples gallery.

Key Features

Usage

Pre-built Components

The @semantic-ui/core package provides pre-built UI components for building websites and applications.

Custom Components

For building custom UI elements, use the component authoring framework — a set of composable libraries for creating web components.

Modular Architecture Each core library (@semantic-ui/query, @semantic-ui/reactivity, @semantic-ui/templating, @semantic-ui/utils) can be used standalone without adopting the full component framework.

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