Other

Finnish telecom Elisa's design system, combining design, code, and UX guidelines with a component library in Figma and Storybook plus beta Flutter tokens.

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.

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.

Michelin's design system for digital products, with a Figma UI kit, tokens, icons, accessibility guidance, data visualization rules, and Angular, Blazor, and Svelte resources.

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.

Power Home Remodeling's open source Playbook design system, with matching components for React, Ruby on Rails, and Swift plus Figma resources and theming.

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.

Visa's Product Design System for inclusive digital experiences, offering guidelines, design kits, and Nova libraries for React, Angular, Flutter, and CSS.