Penrose is a java-based virtual directory server. Virtual directory makes data from LDAP directories, databases and/or applications available to client through LDAP protocol. For a demo, please check out http://penrose.safehaus.org
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.