sourceforge:
SourceForge is a web-based source code repository, providing free hosting for open-source projects. Furthermore, SourceForge supports mailing lists as well as individual "pages" of developers, becoming a developers' social network. In July 2011 SourceForge hosted more than 300,000 projects and 2,000,000 users. Further features include project wikis, metrics and analysis, access to a MySQL database, and unique sub-domain URLs.