Enterprise design systems

98.css — a CSS design system for recreating classic Windows 98 interface controls in the browser.

• Open source repository

A11Y Style Guide — a browsable accessibility pattern library with a published red, grey and white palette.

Aalto University's design system for research and teaching digital services, with shared components and guidance.

Adobe Spectrum components and foundations for cohesive experiences across Creative Cloud products.

• Storybook documented
• Open source repository

Ant Design — enterprise-class UI language and React component library used across Alibaba ecosystem products.

• Open source repository

Ant Design Mobile — React mobile component library with CSS-variable theming for Alibaba-ecosystem product UIs.

• Open source repository

ByteDance Arco Design — enterprise React and Vue component library with design tokens and Figma kits.

• Open source repository

Headless accessible UI primitives powered by Zag.js — foundation for React, Solid, Vue and Svelte design systems.

• Open source repository

Atlassian design tokens, components and patterns for Jira, Confluence and partner experiences.

• Open source repository

Uber Base — company-wide design language with guidelines, tokens and the Base Web React library.

• Figma kit available
• Open source repository

Open-source React implementation of Uber Base with extensive theming and override APIs.

• Figma kit available
• Storybook documented
• Open source repository

Basis design system with documented foundations, patterns and Storybook-driven React components.

• Storybook documented

Biings HR platform design system with documented UI patterns and reusable interface components.

Palantir Blueprint — React UI toolkit for data-dense enterprise and analytics application interfaces.

• Open source repository

Bootstrap — CSS component framework with a published theme colour palette and layout utilities.

• Open source repository

SEEK Braid — themeable React design system for multi-brand job marketplace experiences across APAC.

• Open source repository

Bulma — a Flexbox CSS framework with a published turquoise primary and a documented theme colour scale.

• Open source repository

Esri Calcite — web components and design tokens for maps, geospatial apps and ArcGIS experiences.

• Open source repository

IBM's open design system with React, Angular and Vue components, tokens and detailed usage guidance.

• Figma kit available
• Open source repository

Cauldron — Deque's accessible React component styles, with a published accent colour and neutral scale.

• Open source repository

Cerberus — Panda CSS design system factory with accessible React primitives, data grid and signals on Ark UI.

• Open source repository

Chakra UI — accessible React component library used as a design system foundation by many product teams.

• Open source repository

Clarity — VMware's open design system, published under Broadcom, with a documented blue scale and components.

• Open source repository

AWS Cloudscape — React components and guidelines for building accessible, responsive cloud console experiences.

• Open source repository

Coral — Talend's UI design system, with a published navy, purple and coral palette for data products.

daisyUI — Tailwind CSS component library with named colour themes and a documented default primary.

• Open source repository

Dell's enterprise design system with components, patterns and Storybook documentation for digital products.

• Storybook documented

Dropbox design blog and brand stories — not a public component documentation library.

Datadog Druids — React component library and design tokens for observability product interfaces.

Elastic UI framework — React components powering Kibana, Elasticsearch and Elastic Cloud interfaces.

• Open source repository

Element Plus — Vue 3 component library with a published colour palette for enterprise interfaces.

• Open source repository

Elisa EDS — telecom design system with Storybook docs and components for Finnish digital services.

• Storybook documented

Segment Evergreen — React design system for customer data platform and analytics product interfaces.

• Open source repository

Flowbite — Tailwind CSS component library from Bergside, with a published blue primary and grey scale.

• Open source repository

Forma 36 — Contentful's React design system, with a published colour system and components for content products.

• Open source repository

Vercel Geist — typography, icons and components for modern developer-focused web experiences.

• Figma kit available
• Open source repository

gluestack-ui — copy-paste React and React Native components styled with NativeWind and shadcn-inspired semantic tokens.

• Open source repository

HPE Grommet — accessible React design system with themeable colour roles, layout primitives and WCAG guidance.

• Open source repository

Helios — HashiCorp's design system for developer-product interfaces, with documented colour foundations.

• Open source repository

Ideagen Helix — compliance and quality software design system with documented UI foundations.

HeroUI (formerly NextUI) — Tailwind-first React components with semantic OKLCH colour roles and React Aria behaviour.

• Open source repository

LinkedIn Hue — professional network design system; public brand guidelines, not component docs.

Apple HIG — platform design principles, components and patterns for iOS, macOS, watchOS and visionOS.

Ionic Framework — mobile-first design system with official React bindings, colour tokens and cross-platform components.

• Open source repository

MongoDB LeafyGreen — React components and patterns for database cloud and developer tooling UIs.

• Open source repository

Mantine — React component and hooks library with Open Color palettes, forms and CSS-variable theming.

• Open source repository

Google Material 3 — adaptive design system with colour, typography, motion and component specs.

• Figma kit available
• Open source repository

MUI Material UI — React implementation of Material Design with theming, tokens and a large production component set.

• Open source repository

Momentum — Cisco's design system, including the multi-colour brand spectrum published on the docs homepage.

Nokia brand design standards — typography, colour and digital guidelines for product experiences.

Samsung One UI — Android design guidelines for Galaxy devices, apps and system experiences.

Orange Boosted — Bootstrap-based design system for Orange digital products and services.

• Open source repository

OVHcloud ODS — assets, tokens and React components for consistent experiences across OVHcloud cloud products.

• Storybook documented
• Open source repository

GitLab Pajamas — Vue and web components with Figma kits for DevSecOps product interfaces.

• Figma kit available
• Open source repository

Pando — Pluralsight design system built on Ark UI with documented patterns for learning platform product teams.

Park UI — accessible components built with Ark UI and Panda CSS, distributed as source for React, Vue and Solid.

• Open source repository

Twilio Paste — communications platform design system with React components, tokens and Figma kits.

• Open source repository

Red Hat PatternFly — open design system for enterprise product UIs with React and HTML/CSS components.

• Open source repository

Pluralsight design system — learning platform components with accessibility-focused documentation.

• Open source repository

Shopify Polaris — React components and guidelines for merchant admin and commerce experiences.

• Open source repository

Power Playbook — home-services company design system with Figma resources and component guidance.

GitHub Primer — React components, CSS utilities and design guidelines for developer tools.

• Figma kit available
• Open source repository

PrimeReact — token-based React UI suite with Aura, Material and Lara presets and 130+ components.

• Open source repository

Mozilla Protocol — CSS and React components for Firefox, Mozilla.org and foundation web properties.

• Open source repository

Purple3 — Heroku's CSS framework for product UI, with a published purple, blue and neutral palette.

Quasar — Vue component framework with a documented Material-inspired colour palette for multi-platform apps.

• Open source repository

Radix Themes — accessible React component library and design system built on Radix UI primitives.

• Open source repository

React Native Elements (RNEUI) — cross-platform component kit with a documented light/dark theme colour object.

• Open source repository

Callstack React Native Paper — Material Design 3 components for React Native with documented MD3 colour roles.

• Open source repository

React Native Reusables — shadcn/ui-shaped copy-paste components for Expo, built on NativeWind and headless primitives.

• Open source repository

Red Hat Design System — product foundations and components for Red Hat experiences, documented separately from PatternFly.

• Open source repository

Rivet — Indiana University's design system, with public design tokens and components for campus websites.

• Open source repository

Kajabi Sage — creator-economy platform design system with React components and Storybook docs.

• Storybook documented

Scale — Deutsche Telekom's design system, with the magenta brand colour and components for digital products.

• Open source repository

Sprout Social Seeds — social media management UI components and design guidelines.

ByteDance Semi Design — React design system with 3000+ tokens, Figma-to-code tooling and Douyin team maintenance.

• Open source repository

Serendie — Mitsubishi Electric's open design system, with published brand colours and themable components.

shadcn/ui — copy-paste React component collection built on Radix UI and Tailwind, widely adopted in 2026.

• Open source repository

Shark UI — shadcn-style copy-paste components on Ark UI with Tailwind CSS and inspectable source in your repo.

• Open source repository

Shoelace — web components with a published sky-blue primary and neutral colour tokens in the light theme.

• Open source repository

Siemens Industrial Experience (iX) — web components and a published dynamic colour theme for industrial software.

• Open source repository

Sigma Design System 3 — a commercial Figma design system and UI kit with a public foundation colour page.

Sunrise Solar — Swiss telecom design system with components for consumer and business digital products.

Tailwind CSS — utility-first CSS framework widely used as a foundation layer in modern design systems.

• Open source repository

Tamagui — universal style system and UI kit that shares React and React Native components with compile-time tokens.

• Open source repository

Tark UI — 50+ accessible components styled with Ark UI and Tailwind CSS for React, Vue, Solid and Svelte.

• Open source repository

Tencent TDesign — multi-platform design system with a documented React web library, tokens and brand palette.

• Open source repository

VTS Terra — commercial real estate platform design system with documented UI components.

Akveo UI Kitten — React Native mapping of Eva Design System with runtime light/dark themes and status colours.

• Open source repository

Wonderflow Wanda — customer analytics platform design system with React components and Storybook.

• Open source repository

Web Awesome — open web components and design tokens from the Font Awesome team, with a published brand palette.

• Open source repository

Lemon Squeezy Wedges — React and Radix-based component library for merchant and checkout UIs.

• Open source repository