Sorry, maybe I am wrong with the terminology.
But, the title on the Golang home page is "Go is an open source programming language that makes it easy to build simple, reliable, and efficient software."
And on the https://code.google.com/ I see "Project Hosting on Google Code provides a free collaborative development environment for open source projects.".
And on the https://code.google.com/ I see "Project Hosting on Google Code provides a free collaborative development environment for open source projects.".