This article first has appeared in the issue 216 of the
.net magazine, the world's leading magazine for web designers and
over 650,000 developers registered on the site, hosting more than 500,000
unique open source projects and 1.8 million total repositories. Companies such
as Twitter, Facebook, Yahoo and Rackspace, among thousands of others, use
GitHub to share their open source projects and take contributions from the
larger open source community.