So to source within Savannah.gnu you simply need to use a skill known as xraying, like the one below.
site:savannah.gnu.org/users
site:savannah.gnu.org/ inurl:resume
Then use your social detective skills and you are set.
If you need more info on X-raying see my blog post http://www.recruitingblogs.com/profiles/blogs/seeing-what-is-really-there-a
Until next week may the source be with you!!