protosquared is a "data server prototype". You can
supply a rule set by which incoming requests are
handled. It will support several data sources,
such as XML files and SQL databases. It is aimed
at being highly configurable.
Open source project that offer summary and download services on this page is a project that carry out their development work on other open source development sites. Their work is linked to this page via a feature called OFI, and their work is not carried out here on OSDN site.