cvsfs is an attempt to let a user mount a CVS project like any file system. It allows you to navigate and browse through a project tree. No preparations are required on the CVS server side.
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.