The most popular front-end framework for developing responsive, mobile-first projects on the web rewritten and maintain by the CoreUI Team


459334.1.02 months ago4 years agoMinified + gzip package size for @coreui/coreui in KB


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Open Source UI Components Library built on top of Bootstrap 5.
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Table of contents

Quick start

Several quick start options are available:

  • Download the latest release
  • Clone the repo: git clone https://github.com/coreui/coreui.git
  • Install with npm: npm install @coreui/coreui
  • Install with yarn: yarn add @coreui/coreui
  • Install with Composer: composer require coreui/coreui:4.0.5

Read the Getting started page for information on the framework contents, templates and examples, and more.


Build Status npm version Packagist Prerelease peerDependencies Status devDependency Status Coverage Status CSS gzip size CSS Brotli size JS gzip size JS Brotli size

What's included

Within the download you'll find the following directories and files, logically grouping common assets and providing both compiled and minified variations. You'll see something like this:

├── css/
│   ├── coreui-grid.css
│   ├── coreui-grid.css.map
│   ├── coreui-grid.min.css
│   ├── coreui-grid.min.css.map
│   ├── coreui-grid.rtl.css
│   ├── coreui-grid.rtl.css.map
│   ├── coreui-grid.rtl.min.css
│   ├── coreui-grid.rtl.min.css.map
│   ├── coreui-reboot.css
│   ├── coreui-reboot.css.map
│   ├── coreui-reboot.min.css
│   ├── coreui-reboot.min.css.map
│   ├── coreui-reboot.rtl.css
│   ├── coreui-reboot.rtl.css.map
│   ├── coreui-reboot.rtl.min.css
│   ├── coreui-reboot.rtl.min.css.map
│   ├── coreui-utilities.css
│   ├── coreui-utilities.css.map
│   ├── coreui-utilities.min.css
│   ├── coreui-utilities.min.css.map
│   ├── coreui-utilities.rtl.css
│   ├── coreui-utilities.rtl.css.map
│   ├── coreui-utilities.rtl.min.css
│   ├── coreui-utilities.rtl.min.css.map
│   ├── coreui.css
│   ├── coreui.css.map
│   ├── coreui.min.css
│   ├── coreui.min.css.map
│   ├── coreui.rtl.css
│   ├── coreui.rtl.css.map
│   ├── coreui.rtl.min.css
│   └── coreui.rtl.min.css.map
└── js/
    ├── coreui.bundle.js
    ├── coreui.bundle.js.map
    ├── coreui.bundle.min.js
    ├── coreui.bundle.min.js.map
    ├── coreui.esm.js
    ├── coreui.esm.js.map
    ├── coreui.esm.min.js
    ├── coreui.esm.min.js.map
    ├── coreui.js
    ├── coreui.js.map
    ├── coreui.min.js
    └── coreui.min.js.map

We provide compiled CSS and JS (coreui.*), as well as compiled and minified CSS and JS (coreui.min.*). source maps (coreui.*.map) are available for use with certain browsers' developer tools. Bundled JS files (coreui.bundle.js and minified coreui.bundle.min.js) include Popper.

Bugs and feature requests

Have a bug or a feature request? Please first read the issue guidelines and search for existing and closed issues. If your problem or idea is not addressed yet, please open a new issue.


The documentation for the CoreUI & CoreUI PRO is hosted at our website CoreUI

Running documentation locally

  1. Run npm install to install the Node.js dependencies, including Hugo (the site builder).
  2. Run npm run test (or a specific npm script) to rebuild distributed CSS and JavaScript files, as well as our docs assets.
  3. From the root /coreui directory, run npm run docs-serve in the command line.
  4. Open http://localhost:9001/ in your browser, and voilà.

Learn more about using Hugo by reading its documentation.

Documentation for previous releases


Please read through our contributing guidelines. Included are directions for opening issues, coding standards, and notes on development.

Editor preferences are available in the editor config for easy use in common text editors. Read more and download plugins at https://editorconfig.org/.


Stay up to date on the development of CoreUI and reach out to the community with these helpful resources.

You can also follow @core_ui on Twitter.


For transparency into our release cycle and in striving to maintain backward compatibility, CoreUI is maintained under the Semantic Versioning guidelines.

See the Releases section of our project for changelogs for each release version.


Łukasz Holeczek

Andrzej Kopański


CoreUI is designed as the extension of Bootstrap. Special thanks for Bootstrap team and Bootstrap's contributors.

Copyright and license

Copyright 2021 creativeLabs Łukasz Holeczek. Code released under the MIT License. Docs released under Creative Commons.

If you find any bugs or have a feature request, please open an issue on github!

The npm package download data comes from npm's download counts api and package details come from npms.io.