Jeceira is an implementation of JCR, the Content Repository for Java Technology Specification (JSR 170). Its goal is to create a freely available, fast, and extensible layer for various content dependent applications to build upon.
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.