From The Unofficial Google Wiki

[edit] Google Code Hosting

On 27 July 2006 has announce the free hosting of Open Source Projects. The home page of this Google service is http://code.google.com/hosting/. This page is the wiki portal for this service.

[edit] FAQ

[edit] Which namespace can I use for my project?

Use the namespace com.googlecode.myproject. More info in the forum.