Duolingo

590 Website Style Guide Resources

The Carbon Design System is IBM’s open-source design system for products and experiences.

Learn how to design and develop apps using the Fluent Design System.

UX guidelines, HTML/CSS framework, and Angular components working together to craft exceptional experiences

One Thought, One UI

服务于企业级产品的设计体系，基于确定和自然的设计价值观上的模块化解决方案，让设计者和开发者专注于更好的用户体验。