Paste - Twilio Design System
Paste is the design system for designing and building consistent experiences at Twilio
https://paste.twilio.design/

Dell Design System
A unified design language to support Dell's digital universe. Ensuring design at Dell is accessible
https://www.delldesignsystem.com/

Nord Design System
Design, build, and ship coherent experiences with Nordhealth's design system
https://nordhealth.design/

Volvo Design System
Covers the fundamentals of grids, typography, colour, iconography and photography
https://design.volvocars.com/

Goldman Sachs Design System
Customized for institutional finance, the Goldman Sachs design system allows teams to create digital experiences
https://design.gs.com/home

W3C Design System
This design system documents the styles, components and templates available to use on your website
https://design-system.w3.org/

Elastic UI Framework
A design library in use at Elastic to build internal products that need to share our aesthetics
https://elastic.github.io/eui/#/

Chicago Design System
A guide to producing delightful services and technology applications for employees and residents of Chicago
https://design.chicago.gov/

Duet Design System
Duet provides a set of organized tools, patterns, and practices that work as the foundation for LocalTapiola
https://www.duetds.com/

Solar - Bulb Design System
Solar is the design system for Bulb products
https://design.bulb.co.uk/styles/colours

Uniform - Hudl Design System
A single design system to ensure every interface feels like Hudl
https://uniform.hudl.com/

Starbucks Creative Expression
Use this guide as a high-level overview of how the Starbucks brand comes to life
https://creative.starbucks.com/

Spectrum - Adobe Design System
Spectrum provides interface components, resources, and tools to help teams work more efficiently
https://spectrum.adobe.com/

Eva Design System
Customizable design system easily adaptable to your brand. Available for Sketch with Mobile and Web components
https://eva.design/

Design Systems
Articles on building and maintaining design systems. A Figma publication for design systems creators
https://www.designsystems.com/

Liquid Design System
Create and develop digital products to make science faster, treatments more personalized, and everyday tasks easier
https://www.merck.design/

Symbol Design System
Symbol is a Design System based on atomic elements, providing hundreds of premade components
https://symboldesign.co/

Clarity Design System
UX guidelines, HTML/CSS framework, and Angular components working together to craft exceptional experiences
https://clarity.design/

Polaris Design System
Our design system helps us work together to build a great experience for all of Shopify's merchants
https://polaris.shopify.com/

Atlassian Design
Use Atlassian's end-to-end design language to create straightforward and beautiful experiences https://atlassian.design/

IBM Design Language
Use the IBM Design Language to create beautifully crafted products and enlightening user experiences
https://www.ibm.com/design/language/

Material Design
Material is a design system – backed by open-source code – that helps teams build digital experiences
https://material.io/

Microsoft Design (Fluent)
Learn how to design and develop apps using the Fluent Design System
https://www.microsoft.com/design/fluent/

Ant Design
A design system with values of Nature and Determinacy for better user experience of enterprise applications
https://ant.design/

Nachos by Trello
This comprehensive guide and resource library contains everything you'll need to design with Trello
https://design.trello.com/

Photon Design System
Guidelines, reusable UI components, templates, and other resources to help you create products for Firefox
https://design.firefox.com/photon/

Lightning Design System
Build rich enterprise experiences and custom applications with patterns and established best practices from Salesforce
https://www.lightningdesignsystem.com/

Help Scout Design System
We believe design has the power to do incredible things, especially when it's clear, concise and consistent
https://style.helpscout.com/

Zendesk Garden
Garden is a design system for Zendesk where we grow beautifully simple and accessible UI components
https://garden.zendesk.com/

HubSpot Canvas
This library showcases the building blocks that make up our design system, from colors and typography to components
https://canvas.hubspot.com/

Lexicon Design
A set of principles, patterns and tools created to provide a common design framework for crafting user experiences
https://lexicondesign.io/

GitHub Style Guide
Resources, tooling, and design guidelines for building websites with Primer
https://styleguide.github.com/primer/

Marvel Styleguide
UI components, brand guidelines, brand assets, code snippets and developer guidelines
https://marvelapp.com/styleguide/overview/introduction

Duolingo Design Guidelines
All illustrations are geometric and created with wholes, halves and quarters of four basic shapes
https://www.duolingo.com/design/

Workday Canvas Design System
Delve into our design standards, writing guidelines, and playbook to create exceptional enterprise experiences
https://design.workday.com/

Pluralsight Design System
The design system strives toward a cohesive design language for Pluralsight's products
https://design-system.pluralsight.com/

Carbon Design System
Carbon is the design system for IBM web and product. It is a series of individual styles, components, and guidelines
https://www.carbondesignsystem.com/