Material Design
Create intuitive and beautiful products with Material Design
Human Interface Guidelines
Get in-depth information and UI resources for designing great apps that integrate seamlessly with Apple platforms.
Human Interface Guidelines - Design - Apple Developer
Fluent Design System - Windows
The Fluent Design System is our system for creating adaptive, empathetic, and beautiful user interfaces.
Fluent Design System para Windows - Windows UWP applications
Carbon Design System
The Carbon Design System is IBM’s open-source design system for products and experiences. With the IBM Design Language as its foundation, the system consists of working code, design tools and resources, human interface guidelines, and a vibrant community of contributors.