Software Alternatives, Accelerators & Startups

CSS

Cascading Style Sheets (CSS) is a simple mechanism for adding style (e.g.

Some of the top features or benefits of CSS are: Separation of Concerns, Consistent Design, Responsive Design, Efficient Performance, Compatibility with Multiple Browsers, and Flexibility and Creativity. You can visit the info page to learn more.

Best CSS Alternatives & Competitors in 2025

The best CSS alternatives based on verified products, community votes, reviews and other factors.
Filter: 12 Open-Source Alternatives. Latest update:

  1. A popular general-purpose scripting language that is especially suited to web development

    Open Source

    /php-alternatives
  2. Python is a clear and powerful object-oriented programming language, comparable to Perl, Ruby, Scheme, or Java.

    Open Source

    /python-alternatives
  3. RealityMAX is the AI-powered 3D design collaboration platform, 100% online. Cooperate remotely with your colleagues on 3D projects and easily share your work with clients. Create Web3D and AR experiences in a snap, without a line of code.

    Visit website freemium $40.0 / Monthly (Pro with up to 500 GB of storage space)

    Visit website
  4. A concurrent, class-based, object-oriented, language specifically designed to have as few implementation dependencies as possible

    /java-alternatives
  5. 5th major revision of the core language of the World Wide Web

    /html5-alternatives
  6. A dynamic, interpreted, open source programming language with a focus on simplicity and productivity

    Open Source

    /ruby-alternatives
  7. Lightweight, interpreted, object-oriented language with first-class functions

    /javascript-alternatives
  8. Simple, general-purpose, object-oriented programming language for the .NET platform

    /c-sharp-alternatives
  9. Has imperative, object-oriented and generic programming features, while also providing the facilities for low level memory manipulation

    /c-plus-plus-alternatives
  10. Build modern websites using build time and type-safe CSS-in-JS

    /panda-css-alternatives
  11. A utility-first CSS framework for rapidly building custom user interfaces.

    Open Source

    /tailwind-css-alternatives
  12. A lightweight and modular front-end framework for developing fast and powerful web interfaces

    Open Source

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

    Open Source

    /bulma-alternatives
  14. Scala is a pure-bred object-oriented language that runs on the JVM

    Open Source

    /scala-lang-alternatives
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