* [Elastic UI Framework v113.3.0](https://github.com/elastic/eui) – Collection of React UI components for building user interfaces.

* [Carbon Design System v11.103.0](https://github.com/carbon-design-system/carbon) – Design system based on the IBM Design Language, offering code, design tools, and guidelines.

* [Backpack 42.1.0](https://github.com/Skyscanner/backpack) – Collection of design resources, reusable components, and guidelines for creating products.

* [Community Platform v2.115.0](https://github.com/ONEARMY/community-platform) – Platform for uniting people and empowering communities to address social and environmental challenges.

* [BaseUI v1.3.0](https://github.com/mui/base-ui) – Unstyled UI component library for building accessible user interfaces.

* [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.

* [Lobe UI v5.5.0](https://github.com/lobehub/lobe-ui) – UI component library for building AIGC web applications.

* [carbon-components-svelte v0.103.0](https://github.com/carbon-design-system/carbon-components-svelte) – Svelte component library implementing the Carbon Design System for consistent and extensible UI development.

* [@nulogy/components v17.0.0](https://github.com/nulogy/design-system) – React-based component library providing themed, accessible UI primitives with typography and localization support.

* [Consta v5.32.0](https://github.com/consta-design-system/uikit) – React-based design system with components, themes, and Figma integration for UI development.

* [Lyne Components v4.8.0](https://github.com/sbb-design-systems/lyne-components) – Web Components and React wrappers providing design-system building blocks based on Lit, documented with Storybook.

* [Eufemia v10.100.0](https://github.com/dnbexperience/eufemia) – Design system and component library for DNB providing reusable UI components, documentation, and a portal.

* [Panda @pandacss/astro-plug...](https://github.com/chakra-ui/panda) – Universal, type-safe, build-time CSS-in-JS framework supporting design tokens and scalable styling.

* [Arco Design 2.66.11](https://github.com/arco-design/arco-design) – Comprehensive React UI components library based on a design system.

* [Primer React @primer/react@38.16....](https://github.com/primer/react) – React implementation of GitHub's Primer Design System.

* [Primer ViewComponents v0.51.2](https://github.com/primer/view_components) – ViewComponents for a design system.

* [B.C. Design System @bcgov/design-tokens...](https://github.com/bcgov/design-system) – Provides design tokens, Figma and React components, and documentation to build consistent, accessible government digital services.

* [Seed Design System @seed-design/stackfl...](https://github.com/daangn/seed-design) – Design system providing base libraries, React components, and integrations for UI development.

* [Gamut @codecademy/gamut-ic...](https://github.com/Codecademy/gamut) – Shared frontend design system and React UI component library for Codecademy.

* [Marigold @marigold/components...](https://github.com/marigold-ui/marigold) – React implementation of a design system based on react-aria and Tailwind CSS.

* [DB UX Design System v3 v4.5.4](https://github.com/db-ux-design-system/core-web) – Design-token and component library supplying CSS/SCSS/Tailwind styles plus Angular, React, and Vue web components.

* [Bezier React @channel.io/bezier-i...](https://github.com/channel-io/bezier-react) – React components library implementing the Bezier design system.

* [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.

* [BlueprintUI @blueprintui/compone...](https://github.com/blueprintui/blueprintui) – Framework-agnostic Web Components, themes, layouts, typography, and utilities for building responsive user interfaces.

* [Fuselage Monorepo @rocket.chat/icons@0...](https://github.com/RocketChat/fuselage) – Monorepo containing Rocket.Chat's React component libraries, design tokens, hooks, and UI utilities.

* [React95 @react95/core@9.6.4](https://github.com/React95/React95) – Component library inspired by Windows 95 UI design.

* [Cloudscape 3.0.1238](https://github.com/cloudscape-design/components) – React components for a design system focused on creating engaging user experiences.

* [Kaizen Design System @kaizen/tailwind@1.5...](https://github.com/cultureamp/kaizen-design-system) – Design system accelerating collaboration between designers and engineers for product development.

* [Circuit UI @sumup-oss/circuit-u...](https://github.com/sumup-oss/circuit-ui) – Web implementation of a design system for creating consistent and inclusive user experiences.

* [LeafyGreen UI @leafygreen-ui/combo...](https://github.com/mongodb/leafygreen-ui) – React component library with CSS patterns and CLI tools for MongoDB's design system.

* [Wonder Blocks @khanacademy/wonder-...](https://github.com/Khan/wonder-blocks) – Design system providing React components for building user interfaces.

* [CMS Design System @cmsgov/design-syste...](https://github.com/CMSgov/design-system) – Set of design and front-end resources for building accessible, responsive, and consistent websites.

* [Synerise Design System @synerise/ds-mocks@0...](https://github.com/Synerise/synerise-design) – React TypeScript UI library offering modular components with styled-components and react-intl support.

* [PatternFly Elements @patternfly/pfe-core...](https://github.com/patternfly/patternfly-elements) – Lightweight, themable web component collection based on the Unified Design Kit for use across frameworks.

* [Terrazzo @terrazzo/plugin-css...](https://github.com/terrazzoapp/terrazzo) – Generate platform-specific code and assets from DTCG design tokens for web, mobile, and native apps.

* [HeroUI Native v1.0.0-rc.4](https://github.com/heroui-inc/heroui-native) – Fast, modern React Native UI component library with Tailwind CSS integration.

* [Braid braid-design-system@...](https://github.com/seek-oss/braid-design-system) – Themeable design system for creating consistent user interfaces.

* [Yoga @gympass/yoga-doc@2....](https://github.com/gympass/yoga) – Design system supporting projects with a structured, component-based approach and visual consistency.