Jada Site is a Java based, easy to use and feature-rich content management and e-commerce system. It not only focused on content management, it helps sites and companies to market and sell their products.
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.