* [Elastic UI Framework v119.1.0](https://github.com/elastic/eui) – Collection of React UI components for building user interfaces. * [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. * [Lobe UI v5.33.1](https://github.com/lobehub/lobe-ui) – UI component library for building AIGC web applications. * [Eufemia v11.11.0](https://github.com/dnbexperience/eufemia) – Design system and component library for DNB providing reusable UI components, documentation, and a portal. * [Wave v2.64.0](https://github.com/freenowtech/wave) – Design system for creating consistent user interfaces. * [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. * [daisyUI v5.7.22](https://github.com/saadeghi/daisyui) – Popular component library for Tailwind CSS. * [carbon-components-svelte v0.111.1](https://github.com/carbon-design-system/carbon-components-svelte) – Svelte component library implementing the Carbon Design System for consistent and extensible UI development. * [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. * [Wonder Blocks @khanacademy/wonder-...](https://github.com/Khan/wonder-blocks) – Design system providing React components for building user interfaces. * [Primer ViewComponents v0.53.3](https://github.com/primer/view_components) – ViewComponents for a design system. * [DB UX Design System v3 v5.1.6](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. * [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. * [Cloudscape 3.0.1353](https://github.com/cloudscape-design/components) – React components for a design system focused on creating engaging user experiences. * [Openbridge Web Components v2.0.0-next.132](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. * [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. * [Bezier React @channel.io/bezier-r...](https://github.com/channel-io/bezier-react) – React components library implementing the Bezier design system. * [BigDesign @bigcommerce/example...](https://github.com/bigcommerce/big-design) – React component library, theme, icons, and patterns for BigCommerce UI development. * [Yoga @gympass/yoga-doc@2....](https://github.com/gympass/yoga) – Design system supporting projects with a structured, component-based approach and visual consistency.