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.

Material Bread is described as 'Material component library for React and React Native covering mobile, desktop platforms and the web. Featuring full documentation with storybook for easy code samples and a robust set of' and is a software framework in the development category. There are more than 50 alternatives to Material Bread for a variety of platforms, including Web-based, Self-Hosted, Mac, Windows and Linux apps. The best Material Bread alternative is Bootstrap, which is both free and Open Source. Other great apps like Material Bread are Tailwind CSS, Semantic UI, Foundation and Material 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.

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

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.
Front-end framework with a built-in dark mode and full customizability using CSS variables; great for building dashboards and tools.
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.



Spectre.css is a lightweight, responsive and modern CSS framework for faster and extensible development.