Android

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

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

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

The LINE Design System, integrated guidelines for components, interactions, and voice that keep the LINE messaging app and family services consistent.

Microsoft's Fluent 2 design system for moving fluidly between design and code across web, iOS, Android, and Windows, with tokens, components, and AI guidance.

Tractie, Dutch Railways' design system for internal employee applications, with fundamentals, components, patterns, and support for web, Mendix, and Android developers.

Orange's toolkit of design guidelines and interface components for web, Android, iOS, and Flutter, with Figma UI kits and open source development libraries.

REI Co-op's open source Cedar design system, with Vue 3 components, design tokens for web, iOS, and Android, and guidance for accessible, responsive experiences.

Samsung's One UI design guidelines for Galaxy devices, explaining how apps should look and behave on phones, foldables, and wearables running Samsung's Android interface.

The SAP Design System, home of SAP Fiori for web, iOS, and Android plus the SAP Digital Design System, built for accessible, enterprise-grade experiences.

ServiceNow's Horizon Design System, the source of truth for experience design on the Now Platform across Workspace, Service Portal, Native Mobile, and Core UI.

Thumbtack's Thumbprint design system, assets and guidelines for consistent experiences across web, iOS, and Android, including tokens, components, atomic CSS, and content design.