Fundamental Library

W3C design system,This design system documents the styles, components and templates available to use on your website.

Acorn is the design system for the Firefox desktop, as well as our iOS and Android browsers. It’s a curated library of design and development decision

Carbon is IBM’s open source design system for products and digital experiences. With the IBM Design Language as its foundation, the system consists of

Human Interface Guidelines, The HIG contains guidance and best practices that can help you design a great experience for any Apple platform.

Human Interface Guidelines，The HIG contains guidance and best practices that can help you design a great experience for any Apple platform.

Human Interface Guidelines, The HIG contains guidance and best practices that can help you design a great experience for any Apple platform.

Cloudscape Design System is an open source solution for building intuitive, engaging, and inclusive user experiences at scale. Cloudscape consists of

Our pattern library used to build the Mailchimp application.

Material 3 is the latest version of Google’s open-source design system. Design and build beautiful, usable products with Material 3.

Canvas is an open source design system that consists of reusable UI elements, resources, and guidelines that enable teams to create scalable, unified

Protocol is a design system for Mozilla and Firefox websites. It establishes a common design language, provides reusable coded components, and outlines high level guidelines for content and accessibility.

MongoDB is open-source, accessible design system for designing and building web applications with React.

When the design system was launched, several names were put to the vote and "Vitamin" won with more than 50% of the votes. This name was quickly adopt

Forma 36 is an open-source design system by Contentful created with the intent to reduce the overhead of creating UI by providing tools and guidance f

Open source design system for your next travel project.

Help designers/developers building beautiful products more flexible and working with happiness

Polaris is the design system for the Shopify admin. If you’re just starting out with Polaris, here’s a list of recommended resources and guidance to g

Mirotone CSS components is the base library which enables everyone to design and build their Miro apps. The goal of this design system is to enable ma

Open source design system for your next travel project.

PatternFly is an open source design system created to enable consistency and usability across a wide range of applications and use cases.

Evergreen is the UI framework upon we build product experiences at Segment. It serves as a flexible framework, and a lot of its visual design is informed through plenty of iteration with our design team, and external contributors.

Paste is a design system used to build accessible, cohesive, and high-quality customer experiences at Twilio. Paste supports Product Designers and Eng

Amplify UI is an open-source UI library that brings the simplicity and extensibility of AWS Amplify to UI development. It consists of connected compon

Forma 36 is an open-source design system by Contentful created with the intent to reduce the overhead of creating UI by providing tools and guidance f

When the design system was launched, several names were put to the vote and "Vitamin" won with more than 50% of the votes. This name was quickly adopt