Tags:

Components: Contains coded patterns and examples.

Voice & Tone: Provides guidance on how language should be used.

Designers Kit: Includes a Sketch/Photoshop/Figma/etc. file for designers.

Storybook: Provides components with relevant stories for React Storybook.

-

ComponentsVoice & ToneDesigners KitStorybook

Alibaba Ant Design👍👍👍👍

Apple Developer Design Guidelines👍

Atlassian Design Language👍👍👍👍

Audi UI Kit👍👍

BBC GEL (Global Experience Language)👍👍👍

Blueprint👍👍

BuzzFeed Solid👍👍

Cloudflare👍

Co-op Design Manual👍👍👍

GitHub Primer👍

Google Material Design👍👍

Hewlett Packard grommet👍

IBM Carbon👍👍👍

IBM Design Language👍👍

Intuit Harmony👍👍👍

Lonely Planet Rizzo👍

Louder Than Ten Manual👍👍

Lost My Name Design System👍

Mailchimp Content Styleguide👍

Mailchimp Patterns👍

Marvel Styleguide👍

Microsoft Fluent👍👍

Mixpanel Product Styleguide👍

nib Health Funds👍

Office UI Fabric👍

PatternFly Open Interface Project👍👍

Pivotal👍

Pusher Chameleon👍

Salesforce Lightning Design System👍👍👍

SAP Fiori👍

Shopify Polaris👍👍👍

Sky Toolkit👍

U.S. Web Design Standards👍👍

VMware Clarity Design System👍👍

Yelp Styleguide👍👍

Notes

Although 'design systems', 'ui libraries', and 'pattern libraries' are different things, they are often used interchangeably. This list contains all three.

Credits

Cover icon: 'Solar System' by Andrejs Kirma from the Noun Project