Design Systems

Design systems, style guides, toolkits, docs. Some of these are design guides for top companies/websites

Guides and templates for using Apple design and UI
An enterprise-level design system jointly launched by the Bytedance GIP UED team and the architectur...
Atlassian's official UI library, built according to the Atlassian Design Guidelines
UI framework that helps developers collaborate with designers and build consistent user interfaces e...
Audi UI design system and toolkit
Robust Twig and web component powered UI components
Carbon is IBM’s open-source design system for products and experiences
Checklist Design is a curated list of checklists ranging from website pages, to UI components, all t...
UX guidelines, HTML/CSS framework, and Angular components
An open source collection of Design Principles and methods.
A resource to improve Design principles and guidelines for developers.
A resource that provides guidance for designing ethically humane digital products through patterns f...
Guidelines and resources to create meaningful experiences for Infor’s products
A collection of the key maxims that designers must consider when building user interfaces.
An experience language for crafting beautiful UI
Google's Material Design
Protocol is a design system for Mozilla and Firefox websites
PatternFly is an open source design system from Red Hat, Inc.
A resource to improve on design patterns and component patterns for building powerful web apps with ...
A Playbook with tools and rules designed to scale globally and flex locally.
Design guide with components for designing with Pluralsight
Design system that creates great experiences for all of Shopify’s merchants
An open source set of very general guidelines, inspired by Human Interface. Created and maintained b...
Design, build, and create with GitHub’s design system
Design system, guides and React component library