vendue is a highly extensible online auction platform, implemented in o:XML (an object-oriented XML programming language). It uses an SQL database and generates XML that is transformed by XSL into HTML, RSS, or other forms.
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.