Ant design

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.

590 Website Style Guide Resources

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

Element，一套为开发者、设计师和产品经理准备的基于 Vue 2.0 的桌面端组件库

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。