Ant design

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

收集了大量的优秀产品的设计体系、样式库，从优秀的体系化设计中获得灵感。

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

出品jira、Confluence、trello等众多知名互联网工具的公司

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。