GRITS is a cross-functional effort to create a boilerplate codebase to provide to HTML5 game developers that are looking to get started using Google's technology stack
https://github.com/fredsa/gritsgame.git
The intent is to create a very small, multiplayer game to launch and provide all the source code up to the masses for boilerplate.
You can play the live game here: gritsgame.appspot.com
Learn more? Watch the Google I/O talks: