Vercel design system for building consistent web experiences.

Athletics collaborated with Square to develop their motion identity system to unite Square around common ideals, rules, and tools, yielding a more open and inspiring brand experience. Square's brand-wide creative concept of “Open

The Washington Post Design System (WPDS) is a growing library of design tokens and interactive components purpose-built for washingtonpost.com

An open-source React component library for building high-quality, accessible design systems and web apps.

Design your service using GOV.UK styles, components and patterns

Open UI

The official reference documentation for designing Playdate games.

Wanda is Wonderflow's design system

Mixpanel Design System is Mixpanel's standard toolkit for design and development. It contains the style guide and an interactive collection of re-usable web components.

Make personal devices feel personal with Material Design 3, Google’s most expressive and adaptable design system yet.

Documentation for Helsinki Design System

Completely unstyled, fully accessible UI components, designed to integrate beautifully with Tailwind CSS.

Nord Design System provides a set of organized tools, resources, and guidelines that work as the foundation for Nordhealth’s products.

Open source design system for your next travel project

Guidelines and documentation about designing products at Meetup HQ

Seeds is Sprout Social’s creative hub, housing all the resources we use to express our brand’s identity and values.

An open-source UI component library for building high-quality, accessible design systems and web apps.

Resources, components, and design guidelines behind GitLab