Gitea is an open source, self-hosted Git service written in Go. It is designed to be the easiest, fastest, and most painless way to set up a self-hosted Git service. It has a web-based interface, allowing users to conveniently manage their repositories, and can be used to host both public and private repositories. It also supports webhooks, allowing users to trigger automated actions such as automated builds, tests, and deployments. Gitea features an integrated code review system, allowing users to review and approve changes before they are accepted into the master repository. It also offers an issue tracking system, allowing users to track tasks and bugs. Gitea also has an integrated wiki, allowing users to collaborate on documentation and other information related to their project. Finally, Gitea integrates with a number of third-party services, allowing users to easily integrate their projects with their favorite services.
Google's discontinued code will be closed at the end of 2015. See http://google-opensource.blogspot.com/2015/03/farewell-to-google-code.html