CSS-in-JS with build time generated styles, RSC compatible, multi-variant support, and best-in-class developer experience.

Material Design Lite is described as 'Google's front-end web framework for building sites to the Material Design specification' and is a CSS Framework in the development category. There are more than 50 alternatives to Material Design Lite, not only websites but also apps for a variety of platforms, including Self-Hosted, Mac, Windows and Linux apps. The best Material Design Lite alternative is Bootstrap, which is both free and Open Source. Other great sites and apps similar to Material Design Lite are Tailwind CSS, Semantic UI, Foundation and UIkit.
CSS-in-JS with build time generated styles, RSC compatible, multi-variant support, and best-in-class developer experience.

Overrrides is a no-code library of Framer code components built for designers. Speed up your workflow and unleash your creativity – without writing a single line of code.




UI component infrastructure and Material Design components for mobile and desktop Angular web applications.


Create beautiful, responsive & accessible web apps quickly with Vue or Nuxt. Nuxt UI is an open-source UI library of 100+ customizable components built with Tailwind CSS and Reka UI.




Polymer is a library that uses the latest web technologies to let you create custom HTML elements. Build anything from a button to a complete application as an encapsulated, reusable element that works across desktop and mobile.

Polymer is the most popular Windows, Mac & Linux alternative to Material Design Lite.
Skeleton is a small collection of CSS & JS files that can help you rapidly develop sites that look beautiful at any size, be it a 17" laptop screen or an iPhone. Skeleton is built on three core principles:
A rock-solid default for HTML5 awesome. HTML5 Boilerplate is the professional badass's base HTML/CSS/JS template for a fast, robust and future-proof site.
A set of beautifully-designed, accessible components and a code distribution platform. Works with your favorite frameworks. Open source. Open code.

Front-end framework with a built-in dark mode and full customizability using CSS variables; great for building dashboards and tools.
Stylify is a library that generates utility-first CSS dynamically based on what you write. Write HTML. Get CSS 🚀.




Topcoat is a brand new open source CSS library designed to help developers build web apps with an emphasis on speed. It evolved from the Adobe design language developed for Brackets, Edge Reflow, and feedback from the PhoneGap app developer community.
Eva Design System is a free and open-source, customizable design system. Available for Sketch with Mobile and Web component libraries.
