Software Alternatives, Accelerators & Startups

🎨 CSS Framework

A collection of pre-prepared libraries that can be used as a basis for designing websites, providing a consistent approach to styling with CSS, often including predefined grid systems and UI components.

The best CSS Framework Products based on votes, our collection of reviews, verified products and a total of 1,375 factors.

Best CSS Framework Products in 2025

  1. 318

    Simple and flexible HTML, CSS, and JS for popular UI components and interactions.

    Key Bootstrap features:

    Responsive Design Pre-designed Components Cross-browser Compatibility Extensive Documentation

    Open Source

    /bootstrap-alternatives
  2. 299

    A utility-first CSS framework for rapidly building custom user interfaces.

    Key Tailwind CSS features:

    Utility-First Approach Customization Consistent Design Responsive Design

    Open Source

    /tailwind-css-alternatives
  3. Build powerful web apps, and create your custom AI apps, no code needed!

    Key Momen features:

    Real-time preview Momen AI Infinite canvas Custom components

    Visit website freemium

    Visit website
  4. 238

    Bulma is an open source CSS framework based on Flexbox and built with Sass. It's 100% responsive, fully modular, and available for free.

    Key Bulma features:

    Simple and Elegant Design Responsive Layouts Ease of Use BEM Methodology

    Open Source

    /bulma-alternatives
  5. 225

    A modern responsive front-end framework based on Material Design.

    Key Materialize CSS features:

    Responsive Design Material Design Component Variety Customization

    Open Source

    /materialize-css-alternatives
  6. 178

    A lightweight and modular front-end framework for developing fast and powerful web interfaces.

    Key UIKit features:

    Modularity Extensive Documentation Responsive Design Customization

    Open Source

    /uikit-alternatives
  7. 180

    A UI Component library implemented using a set of specifications designed around natural language.

    Key Semantic UI features:

    Intuitive Class Names Customizability Comprehensive Components Flexibility

    Open Source

    /semantic-ui-alternatives
  8. 189

    The most advanced responsive front-end framework in the world.

    Key Foundation features:

    Customizability Responsive Design Semantic Code Range of Components

    Open Source

    /foundation-alternatives
  9. 134

    A CSS Framework and a Set of React Components that Implement Google's Material Design.

    Key Material UI features:

    Comprehensive Component Library Customizability Active Community and Support Improved Productivity

    Open Source free

    /material-ui-alternatives
  10. 77

    Syntatically Awesome Style Sheets.

    Key Sass features:

    Nesting Variables Mixins Partials and Import

    Open Source

    /sass-alternatives
  11. 127

    A Beautiful Boilerplate for Responsive, Mobile-Friendly Development.

    Key Skeleton CSS features:

    Lightweight Simplicity Responsive Grid Clean Design

    Open Source

    /skeleton-css-alternatives
  12. 119

    A set of small, responsive CSS modules that you can use in every web project.

    Key Purecss features:

    Lightweight Responsive Modular Easy Integration

    Open Source

    /purecss-alternatives
  13. 62

    Simple, modular and accessible UI components for your React applications.

    Key Chakra UI features:

    Component Library Theming Accessibility Responsive Design

    Open Source

    /chakra-ui-alternatives
  14. 57

    Increase code readability. Add vendor prefixes to CSS rules using values from Can I Use. Autoprefixer will use the data based on current browser popularity and property support to apply prefixes for you.

    Key PostCSS features:

    Modularity Performance Large ecosystem Active community

    Open Source

    /postcss-alternatives

Was this CSS Framework alternatives list helpful? Your feedback is important!

Yes No

55 out of 70 people consider this list as helpful.
This is equivalent to 3.9 / 5 rating.

Latest alternatives update: