A collection of cool design systems, grids and frameworks.
- Ionic framework design guidelines
- Lost My Name Design System
- Mixpanel Design System
- Microsoft: Fluent Design System
- Atlassian Design
- Blueprint - A React-based UI Toolkit for the web
- Pivotal Styleguides
- Buzzfeed Solid
- Zendesk Garden
- Polaris - Shopify’s product component library
- Carbon Design System
- Salesforce Lightning Design System
- Open source UI components and visual style guide for U.S. government websites
- Co op Design Manual
- Simple, fluid, nestable, flexible, Sass-based, responsive grid system by Harry Roberts
- Sass Style Guide - CSS-tricks
- Wikia Design System
- Clarity Design System: UX guidelines, HTML/CSS framework, and Angular 2 components working together to craft exceptional experiences
- React Styleguidist
- Constructicon <-- this one is interesting.
- Firefox Design System
- Shards - UI toolkit
- Duolingo Design Guidelines
- Lab 21 Design Guide
- Github Style Guide
- Ant Design System
- US Web Design System
- Workday Canvas Design System
- Github Primer Design System
- Thumbprint Design System
- Adobe Spectrum CSS
- Priceline One
- Starbucks Branding Guidelines <-- This is not a design system perse, but I like how it has been put together.
- Yoga Layout <-- Flexible layout system develop by Facebook
- CoOp Design System
- Goldman Sachs Design System
- Duet Design System
- IBM Design Language
- Base Design System from Uber
- SAP Design System and UX guidelines
- Wanda Design System
- Pinterest's Design System
- Stack Overflow Design System