google的开源项目

 https://opensource.google/projects?hl=zh-cn

https://github.com/google/startup-os

https://opensource.google/organizations-we-support?hl=zh-cn （google支持的组织 ） 

https://github.com/jhuangtw/xg2xg (by ex-googlers, for ex-googlers - a lookup table of similar tech)