* [Helsinki Design System v5.0.0](https://github.com/City-of-Helsinki/helsinki-design-system) – Design system with tools, resources, and guidelines for creating accessible user interfaces.

* [Playroom v1.2.0](https://github.com/seek-oss/playroom) – Simultaneously design across various themes and screen sizes using JSX and your own component library.

* [MaterialUI v7.3.9](https://github.com/mui/material-ui) – Comprehensive library of React components featuring an independent implementation of Google's Material Design.

* [React Spectrum react-aria-component...](https://github.com/adobe/react-spectrum) – React implementation of Adobe's design system providing adaptive and accessible components for user interfaces.

* [Style Dictionary v5.3.3](https://github.com/style-dictionary/style-dictionary) – A build system that uses design tokens to create consistent styles across multiple platforms.

* [FAST 20260318.2](https://github.com/microsoft/fast) – Framework for creating reusable UI components based on Web Component standards.

* [Apsara v0.56.7](https://github.com/raystack/apsara) – React UI component library built on Radix primitives and vanilla CSS, offering accessible, TypeScript-typed components for complex data interfaces.

* [Helios Design System @hashicorp/design-sy...](https://github.com/hashicorp/design-system) – Provides the building blocks to design and implement consistent, accessible, and delightful product experiences across HashiCorp.

* [LaunchPad @launchpad-ui/naviga...](https://github.com/launchdarkly/launchpad-ui) – Modern, accessible design system providing React components, icons, and design tokens for building consistent user interfaces.

* [sugarcube @sugarcube-sh/vite@0...](https://github.com/sugarcube-sh/sugarcube) – Converts W3C design tokens into CSS variables, utility classes, and component styles.