Icons

Aalto University's brand library and design system, pairing visual identity rules with design tokens and a React component Storybook for university web services.

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.

Apple's design guidance for apps across iOS, iPadOS, macOS, watchOS, tvOS, and visionOS, backed by official Figma and Sketch templates, SF Symbols, and fonts.

Atlassian's unified design language for Jira, Confluence, and its other apps, covering tokens, components, accessibility, and AI patterns for its Rovo experiences.

Audi's user interface guidelines inside its Frontify brand portal, describing shared components, modules, layouts, and an icon library for apps, websites, and vehicles.

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.

Cash App's public brand guidelines, spanning logo, color, typography, motion, iconography, and voice, plus resources for UI tokens 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.

Datadog's DRUIDS design system documentation, covering principles, foundations, patterns, live-editable components, and icon galleries for the Datadog platform.

Dell's token-first design system, now in version 3, with Figma libraries, code libraries, data visualization, and AI design resources for Dell products.

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.

eBay's Evo brand and design system, documented in the eBay Playbook with foundations, an accessible color palette, iconography, and product UI 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.

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.