bootstrap vs bulma vs flowbite vs tailwindcss
CSS Frameworks for Responsive Web Design
bootstrapbulmaflowbitetailwindcssSimilar Packages:

CSS Frameworks for Responsive Web Design

CSS frameworks are pre-prepared libraries that are meant to be used as a base for starting a project. They contain a set of CSS, JavaScript, and sometimes HTML components that help developers create responsive and visually appealing web applications more efficiently. These frameworks provide a structured approach to styling, ensuring consistency across different devices and screen sizes. Popular CSS frameworks include Bootstrap, Bulma, Tailwind CSS, and Flowbite, each offering unique features and design philosophies to cater to various development needs.

Npm Package Weekly Downloads Trend

3 Years

Github Stars Ranking

Stat Detail

Package
Downloads
Stars
Size
Issues
Publish
License
bootstrap0174,1089.63 MB4727 months agoMIT
bulma050,0616.97 MB521a year agoMIT
flowbite09,1765.47 MB2564 months agoMIT
tailwindcss094,179778 kB994 days agoMIT

Feature Comparison: bootstrap vs bulma vs flowbite vs tailwindcss

Design Philosophy

  • bootstrap:

    Bootstrap follows a component-based design philosophy, providing a wide range of pre-styled components like buttons, modals, and navigation bars. It emphasizes consistency and ease of use, making it suitable for both beginners and experienced developers.

  • bulma:

    Bulma embraces a modern, minimalist design philosophy with a focus on simplicity and elegance. It is built with flexbox, which allows for more flexible and responsive layouts without the need for complex CSS.

  • flowbite:

    Flowbite is designed to complement Tailwind CSS by providing a set of pre-built components that are both functional and aesthetically pleasing. It focuses on accessibility and usability, ensuring that components are easy to use and integrate into any project.

  • tailwindcss:

    Tailwind CSS takes a utility-first approach to design, encouraging developers to build custom designs using small, reusable utility classes. This approach allows for greater flexibility and creativity while reducing the need for writing custom CSS.

Customization

  • bootstrap:

    Bootstrap allows for customization through its Sass variables and mixins, but it is often used with its default styles. Developers can override styles as needed, but the framework is designed to be used as-is for quick development.

  • bulma:

    Bulma is highly customizable, with a straightforward Sass-based architecture that makes it easy to modify variables and styles. It encourages developers to customize the framework to fit their design needs while maintaining a clean and modern aesthetic.

  • flowbite:

    Flowbite is designed to be used alongside Tailwind CSS, allowing for easy customization of components using Tailwind's utility classes. This makes it highly flexible and adaptable to different design requirements.

  • tailwindcss:

    Tailwind CSS is built for customization, allowing developers to configure the framework to suit their needs. Its utility-first approach means that styles can be applied directly in the HTML, reducing the need for custom CSS.

Component Availability

  • bootstrap:

    Bootstrap offers a comprehensive set of pre-designed components, including forms, modals, carousels, and more. This extensive library makes it easy to build feature-rich applications quickly.

  • bulma:

    Bulma provides a solid set of components, but it is not as extensive as Bootstrap. It focuses on providing the essentials while allowing developers to create custom components as needed.

  • flowbite:

    Flowbite extends Tailwind CSS by providing a wide range of pre-built components, including buttons, modals, and navigation elements. These components are designed to be accessible and easy to integrate into any project.

  • tailwindcss:

    Tailwind CSS does not come with pre-built components, as it is a utility-first framework. However, it provides the tools needed to create custom components quickly and efficiently.

Accessibility

  • bootstrap:

    Bootstrap has made significant improvements in accessibility, providing ARIA attributes and keyboard navigation support for its components. However, developers are still encouraged to follow best practices when using the framework.

  • bulma:

    Bulma is designed with accessibility in mind, but it is up to developers to ensure that components are used correctly and that accessibility features are implemented.

  • flowbite:

    Flowbite places a strong emphasis on accessibility, ensuring that all components are designed to be usable by people with disabilities. It follows WCAG guidelines and provides documentation on how to use components accessibly.

  • tailwindcss:

    Tailwind CSS does not provide built-in accessibility features, as it is a utility framework. However, it allows developers to create accessible designs by following best practices and using utility classes to style elements appropriately.

Ease of Use: Code Examples

  • bootstrap:

    Bootstrap is known for its ease of use, especially for beginners. Its comprehensive documentation and large community make it easy to find resources and support. Example:

    <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.5.2/css/bootstrap.min.css">
    <div class="container">
      <h1 class="text-center">Hello, Bootstrap!</h1>
      <button class="btn btn-primary">Click Me</button>
    </div>
    
  • bulma:

    Bulma is also easy to use, with clear documentation and a simple class naming convention. Example:

    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/bulma/0.9.3/css/bulma.min.css">
    <div class="container">
      <h1 class="title has-text-centered">Hello, Bulma!</h1>
      <button class="button is-primary">Click Me</button>
    </div>
    
  • flowbite:

    Flowbite is user-friendly, especially for those familiar with Tailwind CSS. Its documentation provides clear examples of how to use components. Example:

    <link href="https://cdnjs.cloudflare.com/ajax/libs/flowbite/1.4.0/flowbite.min.css" rel="stylesheet">
    <div class="container">
      <h1 class="text-2xl font-bold text-center">Hello, Flowbite!</h1>
      <button class="btn btn-primary">Click Me</button>
    </div>
    
  • tailwindcss:

    Tailwind CSS has a learning curve due to its utility-first approach, but it is highly rewarding for those who invest the time. Example:

    <link href="https://cdn.jsdelivr.net/npm/tailwindcss@2.2.19/dist/tailwind.min.css" rel="stylesheet">
    <div class="container mx-auto">
      <h1 class="text-4xl text-center font-bold">Hello, Tailwind!</h1>
      <button class="bg-blue-500 text-white px-4 py-2 rounded">Click Me</button>
    </div>
    

How to Choose: bootstrap vs bulma vs flowbite vs tailwindcss

  • bootstrap:

    Choose Bootstrap if you need a comprehensive, feature-rich framework with a wide range of pre-designed components and a strong grid system. It is ideal for quick prototyping and building responsive layouts with minimal custom CSS.

  • bulma:

    Select Bulma if you prefer a modern, lightweight framework that is purely CSS and follows a flexbox-based layout system. It offers a clean design and is easy to customize, making it suitable for projects where you want a minimalist aesthetic without JavaScript dependencies.

  • flowbite:

    Opt for Flowbite if you are looking for a component library that extends Tailwind CSS with pre-built, accessible UI components. It is perfect for projects that already use Tailwind and need ready-to-use components that adhere to accessibility standards.

  • tailwindcss:

    Choose Tailwind CSS if you want a utility-first framework that allows for highly customizable designs without writing much custom CSS. It promotes a different approach to styling by using utility classes, making it ideal for developers who prefer a more hands-on approach to design.

README for bootstrap

Bootstrap logo

Bootstrap

Sleek, intuitive, and powerful front-end framework for faster and easier web development.
Explore Bootstrap docs Ā»

Report bug Ā· Request feature Ā· Blog

Bootstrap 5

Our default branch is for development of our Bootstrap 5 release. Head to the v4-dev branch to view the readme, documentation, and source code for Bootstrap 4.

Table of contents

Quick start

Several quick start options are available:

  • Download the latest release
  • Clone the repo: git clone https://github.com/twbs/bootstrap.git
  • Install with npm: npm install bootstrap@v5.3.8
  • Install with yarn: yarn add bootstrap@v5.3.8
  • Install with Bun: bun add bootstrap@v5.3.8
  • Install with Composer: composer require twbs/bootstrap:5.3.8
  • Install with NuGet: CSS: Install-Package bootstrap Sass: Install-Package bootstrap.sass

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

Status

Build Status npm version Gem version Meteor Atmosphere Packagist Prerelease NuGet Coverage Status CSS gzip size CSS Brotli size JS gzip size JS Brotli size Open Source Security Foundation Scorecard Backers on Open Collective Sponsors on Open Collective

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.

Download contents
bootstrap/
ā”œā”€ā”€ css/
│   ā”œā”€ā”€ bootstrap-grid.css
│   ā”œā”€ā”€ bootstrap-grid.css.map
│   ā”œā”€ā”€ bootstrap-grid.min.css
│   ā”œā”€ā”€ bootstrap-grid.min.css.map
│   ā”œā”€ā”€ bootstrap-grid.rtl.css
│   ā”œā”€ā”€ bootstrap-grid.rtl.css.map
│   ā”œā”€ā”€ bootstrap-grid.rtl.min.css
│   ā”œā”€ā”€ bootstrap-grid.rtl.min.css.map
│   ā”œā”€ā”€ bootstrap-reboot.css
│   ā”œā”€ā”€ bootstrap-reboot.css.map
│   ā”œā”€ā”€ bootstrap-reboot.min.css
│   ā”œā”€ā”€ bootstrap-reboot.min.css.map
│   ā”œā”€ā”€ bootstrap-reboot.rtl.css
│   ā”œā”€ā”€ bootstrap-reboot.rtl.css.map
│   ā”œā”€ā”€ bootstrap-reboot.rtl.min.css
│   ā”œā”€ā”€ bootstrap-reboot.rtl.min.css.map
│   ā”œā”€ā”€ bootstrap-utilities.css
│   ā”œā”€ā”€ bootstrap-utilities.css.map
│   ā”œā”€ā”€ bootstrap-utilities.min.css
│   ā”œā”€ā”€ bootstrap-utilities.min.css.map
│   ā”œā”€ā”€ bootstrap-utilities.rtl.css
│   ā”œā”€ā”€ bootstrap-utilities.rtl.css.map
│   ā”œā”€ā”€ bootstrap-utilities.rtl.min.css
│   ā”œā”€ā”€ bootstrap-utilities.rtl.min.css.map
│   ā”œā”€ā”€ bootstrap.css
│   ā”œā”€ā”€ bootstrap.css.map
│   ā”œā”€ā”€ bootstrap.min.css
│   ā”œā”€ā”€ bootstrap.min.css.map
│   ā”œā”€ā”€ bootstrap.rtl.css
│   ā”œā”€ā”€ bootstrap.rtl.css.map
│   ā”œā”€ā”€ bootstrap.rtl.min.css
│   └── bootstrap.rtl.min.css.map
└── js/
    ā”œā”€ā”€ bootstrap.bundle.js
    ā”œā”€ā”€ bootstrap.bundle.js.map
    ā”œā”€ā”€ bootstrap.bundle.min.js
    ā”œā”€ā”€ bootstrap.bundle.min.js.map
    ā”œā”€ā”€ bootstrap.esm.js
    ā”œā”€ā”€ bootstrap.esm.js.map
    ā”œā”€ā”€ bootstrap.esm.min.js
    ā”œā”€ā”€ bootstrap.esm.min.js.map
    ā”œā”€ā”€ bootstrap.js
    ā”œā”€ā”€ bootstrap.js.map
    ā”œā”€ā”€ bootstrap.min.js
    └── bootstrap.min.js.map

We provide compiled CSS and JS (bootstrap.*), as well as compiled and minified CSS and JS (bootstrap.min.*). Source maps (bootstrap.*.map) are available for use with certain browsers’ developer tools. Bundled JS files (bootstrap.bundle.js and minified bootstrap.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.

Documentation

Bootstrap’s documentation, included in this repo in the root directory, is built with Astro and publicly hosted on GitHub Pages at https://getbootstrap.com/. The docs may also be run locally.

Documentation search is powered by Algolia's DocSearch.

Running documentation locally

  1. Run npm install to install the Node.js dependencies, including Astro (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 /bootstrap directory, run npm run docs-serve in the command line.
  4. Open http://localhost:9001 in your browser, and voilĆ .

Learn more about using Astro by reading its documentation.

Documentation for previous releases

You can find all our previous releases docs on https://getbootstrap.com/docs/versions/.

Previous releases and their documentation are also available for download.

Contributing

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

Moreover, if your pull request contains JavaScript patches or features, you must include relevant unit tests. All HTML and CSS should conform to the Code Guide, maintained by Mark Otto.

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

Community

Get updates on Bootstrap’s development and chat with the project maintainers and community members.

Versioning

For transparency into our release cycle and in striving to maintain backward compatibility, Bootstrap is maintained under the Semantic Versioning guidelines. Sometimes we screw up, but we adhere to those rules whenever possible.

See the Releases section of our GitHub project for changelogs for each release version of Bootstrap. Release announcement posts on the official Bootstrap blog contain summaries of the most noteworthy changes made in each release.

Creators

Mark Otto

Jacob Thornton

Thanks

BrowserStack

Thanks to BrowserStack for providing the infrastructure that allows us to test in real browsers!

Netlify

Thanks to Netlify for providing us with Deploy Previews!

Sponsors

Support this project by becoming a sponsor. Your logo will show up here with a link to your website. [Become a sponsor]

OC sponsor 0 OC sponsor 1 OC sponsor 2 OC sponsor 3 OC sponsor 4 OC sponsor 5 OC sponsor 6 OC sponsor 7 OC sponsor 8 OC sponsor 9

Backers

Thank you to all our backers! šŸ™ [Become a backer]

Backers

Copyright and license

Code and documentation copyright 2011-2025 the Bootstrap Authors. Code released under the MIT License. Docs released under Creative Commons.