* [Elastic UI Framework v116.3.0](https://github.com/elastic/eui) – Collection of React UI components for building user interfaces.

* [Carbon Design System v11.108.0](https://github.com/carbon-design-system/carbon) – Design system based on the IBM Design Language, offering code, design tools, and guidelines.

* [Backpack 42.23.0](https://github.com/Skyscanner/backpack) – Collection of design resources, reusable components, and guidelines for creating products.

* [Community Platform v2.129.0](https://github.com/ONEARMY/community-platform) – Platform for uniting people and empowering communities to address social and environmental challenges.

* [Lobe UI v5.15.0](https://github.com/lobehub/lobe-ui) – UI component library for building AIGC web applications.

* [DESIGNLANG v12.15.0](https://github.com/Manavarya09/design-extract) – Command-line tool that reverse-engineers a website's design system into tokens, themes, responsive layout data, previews, and exportable files.

* [PatternFly React v6.5.0](https://github.com/patternfly/patternfly-react) – Set of React components for building applications with the PatternFly design system.

* [BaseUI v1.5.0](https://github.com/mui/base-ui) – Unstyled UI component library for building accessible user interfaces.

* [@nulogy/components v19.0.0](https://github.com/nulogy/design-system) – React-based component library providing themed, accessible UI primitives with typography and localization support.

* [Helsinki Design System v6.0.0](https://github.com/City-of-Helsinki/helsinki-design-system) – Design system with tools, resources, and guidelines for creating accessible user interfaces.

* [Clarity Angular v18.0.0](https://github.com/vmware-clarity/ng-clarity) – Scalable, accessible, customizable design system and component library for Angular.

* [MaterialUI v9.0.1](https://github.com/mui/material-ui) – Comprehensive library of React components featuring an independent implementation of Google's Material Design.

* [Wave v2.58.0](https://github.com/freenowtech/wave) – Design system for creating consistent user interfaces.

* [Consta v5.33.0](https://github.com/consta-design-system/uikit) – React-based design system with components, themes, and Figma integration for UI development.

* [DB UX Design System v3 v4.10.0](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.

* [Pxlkit v2.0.0](https://github.com/Joangeldelarosa/pxlkit) – Retro-styled React UI kit and 3D voxel toolkit featuring 226+ pixel-art SVG icons, 54 components, animated/parallax icons, and a visual builder.

* [Montage v3.8.0](https://github.com/wanteddev/montage-web) – Wanted Lab web design system providing UI components, theme tokens, icons, and integrations.

* [oh-my-design v1.6.0](https://github.com/kwakseongjae/oh-my-design) – One-command CLI that bootstraps AI coding agents with a project DESIGN.md and 67 real-company design-system references.

* [Eufemia v11.4.0](https://github.com/dnbexperience/eufemia) – Design system and component library for DNB providing reusable UI components, documentation, and a portal.

* [daisyUI v5.5.20](https://github.com/saadeghi/daisyui) – Popular component library for Tailwind CSS.

* [commercetools UI Kit v20.6.0](https://github.com/commercetools/ui-kit) – React component library implementing the commercetools design system.

* [Paragon v23.22.0](https://github.com/openedx/paragon) – Pattern library with accessible React components and SCSS foundation based on Bootstrap for learning platforms.

* [Gamut gamut@70.0.0](https://github.com/Codecademy/gamut) – Shared frontend design system and React UI component library for Codecademy.

* [Primer React @primer/react@38.26....](https://github.com/primer/react) – React implementation of GitHub's Primer Design System.

* [Circuit UI @sumup-oss/icons@6.7...](https://github.com/sumup-oss/circuit-ui) – Web implementation of a design system for creating consistent and inclusive user experiences.

* [react-dsfr v1.32.2](https://github.com/codegouvfr/react-dsfr) – React toolkit for the French State Design System with TypeScript support and integration for major React frameworks.

* [HeroUI Native v1.0.4](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.

* [React-Accordion v1.4.2](https://github.com/szhsin/react-accordion) – Unstyled, accessible accordion components and hooks for React with WAI-ARIA compliance, keyboard support, animations, SSR, and TypeScript types.

* [Instructure UI v11.7.3](https://github.com/instructure/instructure-ui) – React-based UI framework and design system with components used in educational products.

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

* [Story UI v4.16.12](https://github.com/southleft/story-ui) – AI-powered generator producing production-ready Storybook stories from natural-language prompts for any framework and 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.

* [Lyne Components v4.12.1](https://github.com/sbb-design-systems/lyne-components) – Web Components and React wrappers providing design-system building blocks based on Lit, documented with Storybook.

* [BoldKit v3.3.9](https://github.com/ANIBIT14/boldkit) – Neubrutalism component library for React and Vue 3 built on shadcn/ui.

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

* [Cloudscape 3.0.1304](https://github.com/cloudscape-design/components) – React components for a design system focused on creating engaging user experiences.

* [Calcite Design System @esri/calcite-ui-ico...](https://github.com/Esri/calcite-design-system) – Monorepo of UI components, React bindings, design tokens, and icons for building consistent ArcGIS user interfaces.

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

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

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

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

* [Marigold @marigold/system@17....](https://github.com/marigold-ui/marigold) – React implementation of a design system based on react-aria and Tailwind CSS.

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

* [Primer ViewComponents v0.51.5](https://github.com/primer/view_components) – ViewComponents for a design system.

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

* [Kaizen Design System @kaizen/components@3...](https://github.com/cultureamp/kaizen-design-system) – Design system accelerating collaboration between designers and engineers for product development.

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

* [Openbridge Web Components v2.0.0-next.19](https://github.com/Ocean-Industries-Concept-Lab/openbridge-webcomponents) – Lit-based design system of web components with auto-generated React, Vue, Angular, and Svelte wrappers.

* [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.

* [BigDesign @bigcommerce/docs@1....](https://github.com/bigcommerce/big-design) – React component library, theme, icons, and patterns for BigCommerce UI development.