* [Elastic UI Framework v119.1.0](https://github.com/elastic/eui) – Collection of React UI components for building user interfaces. * [Carbon Design System v11.114.0](https://github.com/carbon-design-system/carbon) – Design system based on the IBM Design Language, offering code, design tools, and guidelines. * [MaterialUI v9.3.0](https://github.com/mui/material-ui) – Comprehensive library of React components featuring an independent implementation of Google's Material Design. * [Lobe UI v5.34.0](https://github.com/lobehub/lobe-ui) – UI component library for building AIGC web applications. * [Community Platform v2.148.0](https://github.com/ONEARMY/community-platform) – Platform for uniting people and empowering communities to address social and environmental challenges. * [Starwind UI v3.2.0](https://github.com/starwind-ui/starwind-ui) – Astro-first, framework-portable UI components with accessible Tailwind CSS, Starwind/shadcn-style ergonomics, and a shared runtime powering Astro and React adapters. * [styleseed v4.1.0](https://github.com/bitjaru/styleseed) – Design engine that teaches AI coding tools to apply professional UI rules and brand skins. * [oh-my-design v2.0.0](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. * [daisyUI v5.7.19](https://github.com/saadeghi/daisyui) – Popular component library for Tailwind CSS. * [carbon-components-svelte v0.111.0](https://github.com/carbon-design-system/carbon-components-svelte) – Svelte component library implementing the Carbon Design System for consistent and extensible UI development. * [BaseUI v1.7.0](https://github.com/mui/base-ui) – Unstyled UI component library for building accessible user interfaces. * [Backpack 43.19.0](https://github.com/Skyscanner/backpack) – Collection of design resources, reusable components, and guidelines for creating products. * [Wave v2.65.0](https://github.com/freenowtech/wave) – Design system for creating consistent user interfaces. * [DB UX Design System v3 v5.2.0](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. * [Eufemia v11.11.0](https://github.com/dnbexperience/eufemia) – Design system and component library for DNB providing reusable UI components, documentation, and a portal. * [Lyne Components v5.6.0](https://github.com/sbb-design-systems/lyne-components) – Web Components and React wrappers providing design-system building blocks based on Lit, documented with Storybook. * [react-dsfr v1.33.0](https://github.com/codegouvfr/react-dsfr) – React toolkit for the French State Design System with TypeScript support and integration for major React frameworks. * [Royal Navy Design System 4.53.0](https://github.com/Royal-Navy/design-system) – Design system for building web applications that comply with Royal Navy service standards. * [Baklava React Native v2.58.0](https://github.com/Trendyol/baklava-react-native) – Design system based on React Native and Restyle for consistent UI/UX across Android and iOS apps. * [Paragon v23.23.0](https://github.com/openedx/paragon) – Pattern library with accessible React components and SCSS foundation based on Bootstrap for learning platforms. * [Montage v3.12.0](https://github.com/wanteddev/montage-web) – Wanted Lab web design system providing UI components, theme tokens, icons, and integrations. * [BoldKit v3.5.0](https://github.com/ANIBIT14/boldkit) – Neubrutalism component library for React and Vue 3 built on shadcn/ui. * [DaleStudy/daleui v1.2.0](https://github.com/DaleStudy/daleui) – React-based UI design system providing reusable components and styles for building consistent user interfaces. * [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. * [Instructure UI v11.7.5](https://github.com/instructure/instructure-ui) – React-based UI framework and design system with components used in educational products. * [Braid braid-design-system@...](https://github.com/seek-oss/braid-design-system) – Themeable design system for creating consistent user interfaces. * [UUI v6.5.2](https://github.com/epam/UUI) – React-based library providing themable components, services, and state-management primitives for UI development. * [Gamut gamut@73.0.0](https://github.com/Codecademy/gamut) – Shared frontend design system and React UI component library for Codecademy. * [Primer React @primer/react@38.36....](https://github.com/primer/react) – React implementation of GitHub's Primer Design System. * [Helios Design System @hashicorp/flight-ic...](https://github.com/hashicorp/design-system) – Provides the building blocks to design and implement consistent, accessible, and delightful product experiences across HashiCorp. * [Système de Design de l'État (DSFR) v1.15.2](https://github.com/GouvernementFR/dsfr) – French government's design system providing HTML, CSS and JavaScript components to build accessible public-sector interfaces. * [Marigold @marigold/icons@2.0....](https://github.com/marigold-ui/marigold) – React implementation of a design system based on react-aria and Tailwind CSS. * [Primer ViewComponents v0.53.2](https://github.com/primer/view_components) – ViewComponents for a design system. * [HeroUI Native v1.0.8](https://github.com/heroui-inc/heroui-native) – Fast, modern React Native UI component library with Tailwind CSS integration. * [Wonder Blocks @khanacademy/eslint-...](https://github.com/Khan/wonder-blocks) – Design system providing React components for building user interfaces. * [OceanBase Design @oceanbase/ui@1.4.0](https://github.com/oceanbase/oceanbase-design) – Enterprise-class design system extending Ant Design to help designers and developers build professional products. * [The UK Intelligence Community UI Kit @ukic/web-components...](https://github.com/mi6/ic-ui-kit) – Intelligence Community UI Kit providing reusable accessible UI components across web components, React, NextJS and Angular frameworks. * [Fuselage Monorepo @rocket.chat/fuselag...](https://github.com/RocketChat/fuselage) – Monorepo containing Rocket.Chat's React component libraries, design tokens, hooks, and UI utilities. * [Forma 36 - The Contentful Design System @contentful/f36-comp...](https://github.com/contentful/forma-36) – Design system offering tools and guidance for building and extending Contentful product UIs. * [Circuit UI @sumup-oss/icons@6.1...](https://github.com/sumup-oss/circuit-ui) – Web implementation of a design system for creating consistent and inclusive user experiences. * [Bezier React @channel.io/bezier-i...](https://github.com/channel-io/bezier-react) – React components library implementing the Bezier design system. * [ABC Def @line/abc-def-vue@2....](https://github.com/line/abc-def) – CSS-first design system providing Tailwind-based tokens, semantic selectors, and React/Vue component packages for consistent, customizable UI. * [Openbridge Web Components v2.0.0-next.119](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. * [Bento DS v0.23.6](https://github.com/buildo/bento-design-system) – Extensible and customizable design system for React. * [Panda @pandacss/preset-ope...](https://github.com/chakra-ui/panda) – Universal, type-safe, build-time CSS-in-JS framework supporting design tokens and scalable styling. * [Cloudscape 3.0.1355](https://github.com/cloudscape-design/components) – React components for a design system focused on creating engaging user experiences. * [Reshaped reshaped@4.2.0-canar...](https://github.com/reshaped-ui/reshaped) – Library of professionally crafted React and Figma components for building products or design systems. * [Saas UI @saas-ui/modals@3.0....](https://github.com/saas-js/saas-ui) – React component library for building B2B and dashboard-style apps with Chakra UI and TypeScript. * [Kaizen Design System @kaizen/components@3...](https://github.com/cultureamp/kaizen-design-system) – Design system accelerating collaboration between designers and engineers for product development. * [BigDesign @bigcommerce/big-des...](https://github.com/bigcommerce/big-design) – React component library, theme, icons, and patterns for BigCommerce UI development. * [Yoga @gympass/yoga@7.144....](https://github.com/gympass/yoga) – Design system supporting projects with a structured, component-based approach and visual consistency. * [Strapi Design System @strapi/icons@2.2.4](https://github.com/strapi/design-system) – React-based design system and component library providing themed UI components, icons, and a provider for building plugins.