Public repository

Adobe's design system behind its creative and document products, with shared foundations, tokens, and component implementations for React and Web Components.

The Australian agriculture department's open source design system for import and export services, offering accessible React components, templates, and a starter kit.

Alaska Airlines' Auro design system, built around framework-agnostic web components, design tokens, and CSS guidelines shared across Alaska and Hawaiian brands.

The open source design system AWS uses for its consoles, offering accessible React components, interaction patterns, and design resources for complex web applications.

Ant Group's enterprise design language and widely used React component library, with token-based theming and companion projects for charts, mobile, and admin apps.

The Swedish Public Employment Service's design system, with a Figma UI kit, design tokens, and Stencil web components usable from Angular, React, or plain HTML.

The BBC's Global Experience Language, a shared design framework with guidelines, articles, and playbooks for consistent experiences across BBC digital services.

Biings' lightweight design system delivered as a single CSS file and SVG icon sprite, documenting foundations and core UI components for its products.

Brainly's PENCIL hub, a single source of truth for brand, marketing, and product design, from logos and color tokens to UX guidance and components.

The U.S. Centers for Medicare & Medicaid Services' open source design system for Section 508 compliant, responsive sites, with themes for CMS.gov, HealthCare.gov, and Medicare.gov.

Denmark's free, open source common design system for building simple self-service solutions on borger.dk and Virk, with styles, components, and accessibility guidance.

Elastic's EUI framework, the React component library and design system behind Kibana and other Elastic products, with tokens, patterns, and data visualization guidance.

Esri's Calcite Design System for consistent ArcGIS experiences, offering a UI kit, icons, color schemes, and a web component library for mapping apps.

GitHub's open source design system, with Primer Product UI and Brand UI, Primitives design tokens, Octicons, and accessibility guidance for building GitHub.

GitLab's Pajamas Design System, with brand and product guidelines, design tokens, Tailwind utilities, and a Figma UI kit for building the GitLab product.

Material Design 3, Google's open source design system for adaptive, expressive products, with tokens, components, and implementations for Compose, Flutter, and the web.

The UK government's design system for public services, with research-backed styles, components, and patterns implemented in the open source GOV.UK Frontend package.

The City of Helsinki's open source design system, bringing guidelines, design assets, and component libraries together for a consistent, accessible digital city brand.

IBM's open source design system built on the IBM Design Language, with React and Web Components libraries, design kits, guidelines, and an active contributor community.

Sirio, the design system of Italy's social security institute INPS, uniting brand guidelines, product rules, writing guidance, and UI kits for citizen services.

Kajabi's Sage design system, the source of truth for its creator platform, with components written for both Rails and React plus Sass-based foundations.

Kiwi.com's open source Orbit design system for travel products, with React components, design tokens, Tailwind presets, and a free public Figma library.

Lemon Squeezy's open source Wedges library, a growing set of React components built on Radix primitives and Tailwind CSS, with a matching Figma kit.

Meta's open source Astryx design system, a fully customizable, agent-ready React component library built on React 19 and StyleX, currently in beta.