Atlassian design

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

Material Design is a visual language that synthesizes the classic principles of good design with the innovation of technology and science.

Create the world’s best enterprise app experiences.

Resources, tooling, and design guidelines for building interfaces with GitHub’s design system.

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

Invision 的项目，已发布多本设计相关电子书籍，推荐阅读，质量上程。